31032111342 has 64 divisors (see below), whose sum is σ = 66060288000. Its totient is φ = 9690801120.

The previous prime is 31032111337. The next prime is 31032111343. The reversal of 31032111342 is 24311123013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31032111343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3784467 + ... + 3792657.

It is an arithmetic number, because the mean of its divisors is an integer number (1032192000).

Almost surely, 2^31032111342 is an apocalyptic number.

31032111342 is an abundant number, since it is smaller than the sum of its proper divisors (35028176658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31032111342 is a wasteful number, since it uses less digits than its factorization.

31032111342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8581.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31032111342 its reverse (24311123013), we get a palindrome (55343234355).

The spelling of 31032111342 in words is "thirty-one billion, thirty-two million, one hundred eleven thousand, three hundred forty-two".