31604525315042 has 16 divisors (see below), whose sum is σ = 48710772333312. Its totient is φ = 15367999797360.

The previous prime is 31604525315023. The next prime is 31604525315117. The reversal of 31604525315042 is 24051352540613.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99488684 + ... + 99805847.

It is an arithmetic number, because the mean of its divisors is an integer number (3044423270832).

Almost surely, 2^{31604525315042} is an apocalyptic number.

31604525315042 is a deficient number, since it is larger than the sum of its proper divisors (17106247018270).

31604525315042 is a wasteful number, since it uses less digits than its factorization.

31604525315042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199296713.

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 31604525315042 its reverse (24051352540613), we get a palindrome (55655877855655).

The spelling of 31604525315042 in words is "thirty-one trillion, six hundred four billion, five hundred twenty-five million, three hundred fifteen thousand, forty-two".