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31044042332 = 2220173847799
BaseRepresentation
bin11100111010010111…
…100111111001011100
32222010111211202012122
4130322113213321130
51002034233323312
622132245322112
72146205002022
oct347227477134
988114752178
1031044042332
1112190609536
126024706338
132c09782a24
141706d7c712
15c1a609b72
hex73a5e7e5c

31044042332 has 12 divisors (see below), whose sum is σ = 54354022800. Its totient is φ = 15514321536.

The previous prime is 31044042311. The next prime is 31044042389. The reversal of 31044042332 is 23324044013.

It is a super-2 number, since 2×310440423322 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1915832 + ... + 1931967.

It is an arithmetic number, because the mean of its divisors is an integer number (4529501900).

Almost surely, 231044042332 is an apocalyptic number.

It is an amenable number.

31044042332 is a deficient number, since it is larger than the sum of its proper divisors (23309980468).

31044042332 is a wasteful number, since it uses less digits than its factorization.

31044042332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3849820 (or 3849818 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 31044042332 its reverse (23324044013), we get a palindrome (54368086345).

The spelling of 31044042332 in words is "thirty-one billion, forty-four million, forty-two thousand, three hundred thirty-two".

Divisors: 1 2 4 2017 4034 8068 3847799 7695598 15391196 7761010583 15522021166 31044042332