31345233542 has 8 divisors (see below), whose sum is σ = 53734686096. Its totient is φ = 13433671512.

The previous prime is 31345233541. The next prime is 31345233581. The reversal of 31345233542 is 24533254313.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31345233541) 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, 1119472613 + ... + 1119472640.

It is an arithmetic number, because the mean of its divisors is an integer number (6716835762).

Almost surely, 2^31345233542 is an apocalyptic number.

31345233542 is a deficient number, since it is larger than the sum of its proper divisors (22389452554).

31345233542 is a wasteful number, since it uses less digits than its factorization.

31345233542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238945262.

The product of its digits is 129600, while the sum is 35.

Adding to 31345233542 its reverse (24533254313), we get a palindrome (55878487855).

The spelling of 31345233542 in words is "thirty-one billion, three hundred forty-five million, two hundred thirty-three thousand, five hundred forty-two".