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31044003224 = 2313298500031
BaseRepresentation
bin11100111010010111…
…011110010110011000
32222010111202202120012
4130322113132112120
51002034231100344
622132244421052
72146204450013
oct347227362630
988114682505
1031044003224
1112190592113
1260246a7788
132c0976aca0
141706d6c37a
15c1a5ed29e
hex73a5de598

31044003224 has 16 divisors (see below), whose sum is σ = 62685006720. Its totient is φ = 14328001440.

The previous prime is 31044003223. The next prime is 31044003227. The reversal of 31044003224 is 42230044013.

It is a self number, because there is not a number n which added to its sum of digits gives 31044003224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31044003223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149249912 + ... + 149250119.

It is an arithmetic number, because the mean of its divisors is an integer number (3917812920).

Almost surely, 231044003224 is an apocalyptic number.

It is an amenable number.

31044003224 is an abundant number, since it is smaller than the sum of its proper divisors (31641003496).

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

31044003224 is a wasteful number, since it uses less digits than its factorization.

31044003224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298500050 (or 298500046 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 31044003224 its reverse (42230044013), we get a palindrome (73274047237).

The spelling of 31044003224 in words is "thirty-one billion, forty-four million, three thousand, two hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 104 298500031 597000062 1194000124 2388000248 3880500403 7761000806 15522001612 31044003224