31520452213341 has 48 divisors (see below), whose sum is σ = 56043528428160. Its totient is φ = 16624045549440.

The previous prime is 31520452213309. The next prime is 31520452213361. The reversal of 31520452213341 is 14331225402513.

31520452213341 is a `hidden beast` number, since 3 + 1 + 52 + 0 + 4 + 52 + 213 + 341 = 666.

It is not a de Polignac number, because 31520452213341 - 2⁵ = 31520452213309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31520452213296 and 31520452213305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31520452213361) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3954006 + ... + 8869896.

It is an arithmetic number, because the mean of its divisors is an integer number (1167573508920).

Almost surely, 2^{31520452213341} is an apocalyptic number.

It is an amenable number.

31520452213341 is a deficient number, since it is larger than the sum of its proper divisors (24523076214819).

31520452213341 is a wasteful number, since it uses less digits than its factorization.

31520452213341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4923746 (or 4923743 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 31520452213341 its reverse (14331225402513), we get a palindrome (45851677615854).

The spelling of 31520452213341 in words is "thirty-one trillion, five hundred twenty billion, four hundred fifty-two million, two hundred thirteen thousand, three hundred forty-one".