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31446236107 = 1113216915673
BaseRepresentation
bin11101010010010101…
…110111101111001011
310000011112122022100101
4131102111313233023
51003400214023412
622240213550231
72162160411436
oct352225675713
9100145568311
1031446236107
1112377642690
126117345377
132c71bb1a00
14174455481d
15c40aa3457
hex752577bcb

31446236107 has 12 divisors (see below), whose sum is σ = 37146820104. Its totient is φ = 26388448320.

The previous prime is 31446236057. The next prime is 31446236117. The reversal of 31446236107 is 70163264413.

It is a de Polignac number, because none of the positive numbers 2k-31446236107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31446236117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8455978 + ... + 8459695.

It is an arithmetic number, because the mean of its divisors is an integer number (3095568342).

Almost surely, 231446236107 is an apocalyptic number.

31446236107 is a deficient number, since it is larger than the sum of its proper divisors (5700583997).

31446236107 is a wasteful number, since it uses less digits than its factorization.

31446236107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16915710 (or 16915697 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 31446236107 in words is "thirty-one billion, four hundred forty-six million, two hundred thirty-six thousand, one hundred seven".

Divisors: 1 11 13 143 169 1859 16915673 186072403 219903749 2418941239 2858748737 31446236107