31324312442 has 8 divisors (see below), whose sum is σ = 46990980576. Its totient is φ = 15660652252.

The previous prime is 31324312363. The next prime is 31324312471. The reversal of 31324312442 is 24421342313.

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

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, 725768 + ... + 767715.

It is an arithmetic number, because the mean of its divisors is an integer number (5873872572).

Almost surely, 2^31324312442 is an apocalyptic number.

31324312442 is a deficient number, since it is larger than the sum of its proper divisors (15666668134).

31324312442 is a wasteful number, since it uses less digits than its factorization.

31324312442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503972.

The product of its digits is 13824, while the sum is 29.

Adding to 31324312442 its reverse (24421342313), we get a palindrome (55745654755).

The spelling of 31324312442 in words is "thirty-one billion, three hundred twenty-four million, three hundred twelve thousand, four hundred forty-two".