31201425663012 has 288 divisors, whose sum is σ = 89628173107200. Its totient is φ = 9068382086400.

The previous prime is 31201425662989. The next prime is 31201425663013. The reversal of 31201425663012 is 21036652410213.

31201425663012 is a `hidden beast` number, since 3 + 1 + 2 + 0 + 1 + 4 + 2 + 5 + 6 + 630 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (31201425663013) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 730366189 + ... + 730408907.

It is an arithmetic number, because the mean of its divisors is an integer number (311208934400).

Almost surely, 2^{31201425663012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31201425663012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44814086553600).

31201425663012 is an abundant number, since it is smaller than the sum of its proper divisors (58426747444188).

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

31201425663012 is a wasteful number, since it uses less digits than its factorization.

31201425663012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43487 (or 43482 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 31201425663012 in words is "thirty-one trillion, two hundred one billion, four hundred twenty-five million, six hundred sixty-three thousand, twelve".