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31071550004 = 2211706171591
BaseRepresentation
bin11100111100000000…
…100011101000110100
32222012102121021122022
4130330000203220310
51002113304100004
622135111052312
72146660550225
oct347400435064
988172537568
1031071550004
11121a5097450
126031971098
132c12394461
14170a89d24c
15c1cc402be
hex73c023a34

31071550004 has 12 divisors (see below), whose sum is σ = 59318413728. Its totient is φ = 14123431800.

The previous prime is 31071550001. The next prime is 31071550007. The reversal of 31071550004 is 40005517013.

It is an interprime number because it is at equal distance from previous prime (31071550001) and next prime (31071550007).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31071550001) 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, 353085752 + ... + 353085839.

It is an arithmetic number, because the mean of its divisors is an integer number (4943201144).

Almost surely, 231071550004 is an apocalyptic number.

It is an amenable number.

31071550004 is a deficient number, since it is larger than the sum of its proper divisors (28246863724).

31071550004 is a wasteful number, since it uses less digits than its factorization.

31071550004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706171606 (or 706171604 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The spelling of 31071550004 in words is "thirty-one billion, seventy-one million, five hundred fifty thousand, four".

Divisors: 1 2 4 11 22 44 706171591 1412343182 2824686364 7767887501 15535775002 31071550004