31023321020230 has 32 divisors (see below), whose sum is σ = 69621167174400. Its totient is φ = 9669606551520.

The previous prime is 31023321020129. The next prime is 31023321020243. The reversal of 31023321020230 is 3202012332013.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20145012880 + ... + 20145014419.

It is an arithmetic number, because the mean of its divisors is an integer number (2175661474200).

Almost surely, 2^{31023321020230} is an apocalyptic number.

31023321020230 is an abundant number, since it is smaller than the sum of its proper divisors (38597846154170).

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

31023321020230 is a wasteful number, since it uses less digits than its factorization.

31023321020230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40290027324.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31023321020230 its reverse (3202012332013), we get a palindrome (34225333352243).

The spelling of 31023321020230 in words is "thirty-one trillion, twenty-three billion, three hundred twenty-one million, twenty thousand, two hundred thirty".