31412871747 has 12 divisors (see below), whose sum is σ = 45439821544. Its totient is φ = 20911603680.

The previous prime is 31412871739. The next prime is 31412871767. The reversal of 31412871747 is 74717821413.

31412871747 is a `hidden beast` number, since 314 + 1 + 287 + 17 + 47 = 666.

It is not a de Polignac number, because 31412871747 - 2³ = 31412871739 is a prime.

It is a super-2 number, since 2×31412871747² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31412871767) 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, 2519338 + ... + 2531775.

Almost surely, 2^31412871747 is an apocalyptic number.

31412871747 is a deficient number, since it is larger than the sum of its proper divisors (14026949797).

31412871747 is a wasteful number, since it uses less digits than its factorization.

31412871747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051810 (or 5051807 counting only the distinct ones).

The product of its digits is 263424, while the sum is 45.

The spelling of 31412871747 in words is "thirty-one billion, four hundred twelve million, eight hundred seventy-one thousand, seven hundred forty-seven".