31425646516042 has 8 divisors (see below), whose sum is σ = 47139282078336. Its totient is φ = 15712552489932.

The previous prime is 31425646516027. The next prime is 31425646516049. The reversal of 31425646516042 is 24061564652413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (31425646516049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135238938 + ... + 135471109.

It is an arithmetic number, because the mean of its divisors is an integer number (5892410259792).

Almost surely, 2^{31425646516042} is an apocalyptic number.

31425646516042 is a deficient number, since it is larger than the sum of its proper divisors (15713635562294).

31425646516042 is a wasteful number, since it uses less digits than its factorization.

31425646516042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270768092.

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 31425646516042 in words is "thirty-one trillion, four hundred twenty-five billion, six hundred forty-six million, five hundred sixteen thousand, forty-two".