31112323122030 has 32 divisors (see below), whose sum is σ = 74669833334304. Its totient is φ = 8296590850176.

The previous prime is 31112323122019. The next prime is 31112323122031. The reversal of 31112323122030 is 3022132321113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31112323122031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7902244 + ... + 11165576.

It is an arithmetic number, because the mean of its divisors is an integer number (2333432291697).

Almost surely, 2^{31112323122030} is an apocalyptic number.

31112323122030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31112323122030 is an abundant number, since it is smaller than the sum of its proper divisors (43557510212274).

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

31112323122030 is a wasteful number, since it uses less digits than its factorization.

31112323122030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3581140.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 31112323122030 its reverse (3022132321113), we get a palindrome (34134455443143).

The spelling of 31112323122030 in words is "thirty-one trillion, one hundred twelve billion, three hundred twenty-three million, one hundred twenty-two thousand, thirty".