31112030334 has 64 divisors (see below), whose sum is σ = 77722071552. Its totient is φ = 8066044800.

The previous prime is 31112030321. The next prime is 31112030347. The reversal of 31112030334 is 43303021113.

It is an interprime number because it is at equal distance from previous prime (31112030321) and next prime (31112030347).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 31112030334.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187704 + ... + 312180.

It is an arithmetic number, because the mean of its divisors is an integer number (1214407368).

Almost surely, 2^31112030334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31112030334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38861035776).

31112030334 is an abundant number, since it is smaller than the sum of its proper divisors (46610041218).

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

31112030334 is a wasteful number, since it uses less digits than its factorization.

31112030334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125041.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31112030334 its reverse (43303021113), we get a palindrome (74415051447).

The spelling of 31112030334 in words is "thirty-one billion, one hundred twelve million, thirty thousand, three hundred thirty-four".