31202424542 has 8 divisors (see below), whose sum is σ = 48838577616. Its totient is φ = 14922898672.

The previous prime is 31202424493. The next prime is 31202424553. The reversal of 31202424542 is 24542420213.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339156743 + ... + 339156834.

It is an arithmetic number, because the mean of its divisors is an integer number (6104822202).

Almost surely, 2^31202424542 is an apocalyptic number.

31202424542 is a deficient number, since it is larger than the sum of its proper divisors (17636153074).

31202424542 is a wasteful number, since it uses less digits than its factorization.

31202424542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678313602.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 31202424542 its reverse (24542420213), we get a palindrome (55744844755).

The spelling of 31202424542 in words is "thirty-one billion, two hundred two million, four hundred twenty-four thousand, five hundred forty-two".