31322201200232 has 16 divisors (see below), whose sum is σ = 58875583932900. Its totient is φ = 15622045484800.

The previous prime is 31322201200223. The next prime is 31322201200307. The reversal of 31322201200232 is 23200210222313.

It can be written as a sum of positive squares in 2 ways, for example, as 18094184883076 + 13228016317156 = 4253726^2 + 3637034^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31322201200198 and 31322201200207.

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, 4881886007 + ... + 4881892422.

Almost surely, 2^{31322201200232} is an apocalyptic number.

It is an amenable number.

31322201200232 is a deficient number, since it is larger than the sum of its proper divisors (27553382732668).

31322201200232 is a wasteful number, since it uses less digits than its factorization.

31322201200232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9763778836 (or 9763778832 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31322201200232 its reverse (23200210222313), we get a palindrome (54522411422545).

The spelling of 31322201200232 in words is "thirty-one trillion, three hundred twenty-two billion, two hundred one million, two hundred thousand, two hundred thirty-two".