31725660526242 has 64 divisors (see below), whose sum is σ = 65253441576960. Its totient is φ = 10279956657600.

The previous prime is 31725660526211. The next prime is 31725660526247. The reversal of 31725660526242 is 24262506652713.

It is not an unprimeable number, because it can be changed into a prime (31725660526247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8469367 + ... + 11626757.

It is an arithmetic number, because the mean of its divisors is an integer number (1019585024640).

Almost surely, 2^{31725660526242} is an apocalyptic number.

31725660526242 is an abundant number, since it is smaller than the sum of its proper divisors (33527781050718).

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

31725660526242 is a wasteful number, since it uses less digits than its factorization.

31725660526242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157799.

The product of its (nonzero) digits is 7257600, while the sum is 51.

The spelling of 31725660526242 in words is "thirty-one trillion, seven hundred twenty-five billion, six hundred sixty million, five hundred twenty-six thousand, two hundred forty-two".