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1031114220 = 223583920483
BaseRepresentation
bin111101011101011…
…000110111101100
32122212020000210120
4331131120313230
54102431123340
6250152204540
734360216623
oct7535306754
92585200716
101031114220
1148a045414
12249399750
13135812376
149ad2a6ba
15607ca4d0
hex3d758dec

1031114220 has 48 divisors (see below), whose sum is σ = 2890702080. Its totient is φ = 274622656.

The previous prime is 1031114213. The next prime is 1031114233. The reversal of 1031114220 is 224111301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1031114220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40099 + ... + 60581.

It is an arithmetic number, because the mean of its divisors is an integer number (60222960).

Almost surely, 21031114220 is an apocalyptic number.

1031114220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031114220 is an abundant number, since it is smaller than the sum of its proper divisors (1859587860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031114220 is a wasteful number, since it uses less digits than its factorization.

1031114220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21334 (or 21332 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1031114220 is about 32110.9672853373. The cubic root of 1031114220 is about 1010.2656622340.

Adding to 1031114220 its reverse (224111301), we get a palindrome (1255225521).

It can be divided in two parts, 10311 and 14220, that added together give a triangular number (24531 = T221).

The spelling of 1031114220 in words is "one billion, thirty-one million, one hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 839 1678 2517 3356 4195 5034 8390 10068 12585 16780 20483 25170 40966 50340 61449 81932 102415 122898 204830 245796 307245 409660 614490 1228980 17185237 34370474 51555711 68740948 85926185 103111422 171852370 206222844 257778555 343704740 515557110 1031114220