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1031040030 = 23534368001
BaseRepresentation
bin111101011101000…
…110110000011110
32122212002021000210
4331131012300132
54102421240110
6250150433250
734356460416
oct7535066036
92585067023
101031040030
11489aa46a9
12249362826
131357b7677
149ad0b646
15607b3520
hex3d746c1e

1031040030 has 16 divisors (see below), whose sum is σ = 2474496144. Its totient is φ = 274944000.

The previous prime is 1031040007. The next prime is 1031040077. The reversal of 1031040030 is 300401301.

It is a junction number, because it is equal to n+sod(n) for n = 1031039988 and 1031040015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17183971 + ... + 17184030.

It is an arithmetic number, because the mean of its divisors is an integer number (154656009).

Almost surely, 21031040030 is an apocalyptic number.

1031040030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031040030 is an abundant number, since it is smaller than the sum of its proper divisors (1443456114).

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

1031040030 is a wasteful number, since it uses less digits than its factorization.

1031040030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34368011.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1031040030 is about 32109.8120517701. The cubic root of 1031040030 is about 1010.2414316797.

Adding to 1031040030 its reverse (300401301), we get a palindrome (1331441331).

The spelling of 1031040030 in words is "one billion, thirty-one million, forty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 34368001 68736002 103104003 171840005 206208006 343680010 515520015 1031040030