31200770442492 has 72 divisors (see below), whose sum is σ = 93243681804000. Its totient is φ = 8607109085568.

The previous prime is 31200770442473. The next prime is 31200770442493. The reversal of 31200770442492 is 29424407700213.

31200770442492 is a `hidden beast` number, since 31 + 20 + 0 + 7 + 70 + 4 + 42 + 492 = 666.

It is a super-3 number, since 3×31200770442492³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31200770442493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2134692367 + ... + 2134706982.

Almost surely, 2^{31200770442492} is an apocalyptic number.

It is an amenable number.

31200770442492 is an abundant number, since it is smaller than the sum of its proper divisors (62042911361508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31200770442492 is a wasteful number, since it uses less digits than its factorization.

31200770442492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4269399395 (or 4269399390 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 31200770442492 in words is "thirty-one trillion, two hundred billion, seven hundred seventy million, four hundred forty-two thousand, four hundred ninety-two".