31120201323232 has 24 divisors (see below), whose sum is σ = 70020452977776. Its totient is φ = 13337229138432.

The previous prime is 31120201323217. The next prime is 31120201323251. The reversal of 31120201323232 is 23232310202113.

It is a junction number, because it is equal to n+sod(n) for n = 31120201323197 and 31120201323206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69464734873 + ... + 69464735320.

It is an arithmetic number, because the mean of its divisors is an integer number (2917518874074).

Almost surely, 2^{31120201323232} is an apocalyptic number.

31120201323232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31120201323232 is an abundant number, since it is smaller than the sum of its proper divisors (38900251654544).

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

31120201323232 is a wasteful number, since it uses less digits than its factorization.

31120201323232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138929470210 (or 138929470202 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31120201323232 its reverse (23232310202113), we get a palindrome (54352511525345).

The spelling of 31120201323232 in words is "thirty-one trillion, one hundred twenty billion, two hundred one million, three hundred twenty-three thousand, two hundred thirty-two".