31463431492 has 12 divisors (see below), whose sum is σ = 55081319356. Its totient is φ = 15725911680.

The previous prime is 31463431471. The next prime is 31463431541. The reversal of 31463431492 is 29413436413.

It can be written as a sum of positive squares in 2 ways, for example, as 20693973316 + 10769458176 = 143854^2 + 103776^2 .

It is a super-3 number, since 3×31463431492³ (a number of 32 digits) contains 333 as substring.

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, 1438809 + ... + 1460512.

Almost surely, 2^31463431492 is an apocalyptic number.

It is an amenable number.

31463431492 is a deficient number, since it is larger than the sum of its proper divisors (23617887864).

31463431492 is a wasteful number, since it uses less digits than its factorization.

31463431492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902038 (or 2902036 counting only the distinct ones).

The product of its digits is 186624, while the sum is 40.

The spelling of 31463431492 in words is "thirty-one billion, four hundred sixty-three million, four hundred thirty-one thousand, four hundred ninety-two".