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31631606084 = 2213608300117
BaseRepresentation
bin11101011101011001…
…000000000101000100
310000122110110002011002
4131131121000011010
51004240142343314
622310435032432
72166601133621
oct353531000504
9100573402132
1031631606084
1112462242911
12616943b718
132ca1415ba0
141761009348
15c51ebcade
hex75d640144

31631606084 has 12 divisors (see below), whose sum is σ = 59613411564. Its totient is φ = 14599202784.

The previous prime is 31631606077. The next prime is 31631606099. The reversal of 31631606084 is 48060613613.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12868633600 + 18762972484 = 113440^2 + 136978^2 .

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, 304150007 + ... + 304150110.

It is an arithmetic number, because the mean of its divisors is an integer number (4967784297).

Almost surely, 231631606084 is an apocalyptic number.

It is an amenable number.

31631606084 is a deficient number, since it is larger than the sum of its proper divisors (27981805480).

31631606084 is a wasteful number, since it uses less digits than its factorization.

31631606084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608300134 (or 608300132 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 31631606084 in words is "thirty-one billion, six hundred thirty-one million, six hundred six thousand, eighty-four".

Divisors: 1 2 4 13 26 52 608300117 1216600234 2433200468 7907901521 15815803042 31631606084