31122321101232 has 40 divisors (see below), whose sum is σ = 80424959269296. Its totient is φ = 10370799968256.

The previous prime is 31122321101231. The next prime is 31122321101269. The reversal of 31122321101232 is 23210112322113.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (31122321101231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103193653 + ... + 103494804.

Almost surely, 2^{31122321101232} is an apocalyptic number.

It is an amenable number.

31122321101232 is an abundant number, since it is smaller than the sum of its proper divisors (49302638168064).

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

31122321101232 is a wasteful number, since it uses less digits than its factorization.

31122321101232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206691605 (or 206691599 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31122321101232 its reverse (23210112322113), we get a palindrome (54332433423345).

The spelling of 31122321101232 in words is "thirty-one trillion, one hundred twenty-two billion, three hundred twenty-one million, one hundred one thousand, two hundred thirty-two".