31164200542 has 16 divisors (see below), whose sum is σ = 47416817664. Its totient is φ = 15358707000.

The previous prime is 31164200537. The next prime is 31164200569. The reversal of 31164200542 is 24500246113.

It is a self number, because there is not a number n which added to its sum of digits gives 31164200542.

It is a congruent number.

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, 574867 + ... + 626737.

It is an arithmetic number, because the mean of its divisors is an integer number (2963551104).

Almost surely, 2^31164200542 is an apocalyptic number.

31164200542 is a deficient number, since it is larger than the sum of its proper divisors (16252617122).

31164200542 is a wasteful number, since it uses less digits than its factorization.

31164200542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56175.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 31164200542 its reverse (24500246113), we get a palindrome (55664446655).

The spelling of 31164200542 in words is "thirty-one billion, one hundred sixty-four million, two hundred thousand, five hundred forty-two".