213533161252 has 24 divisors (see below), whose sum is σ = 389276222720. Its totient is φ = 102374578080.

The previous prime is 213533161243. The next prime is 213533161273. The reversal of 213533161252 is 252161335312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7885758 + ... + 7912789.

Almost surely, 2^213533161252 is an apocalyptic number.

It is an amenable number.

213533161252 is a deficient number, since it is larger than the sum of its proper divisors (175743061468).

213533161252 is a wasteful number, since it uses less digits than its factorization.

213533161252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15798691 (or 15798689 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

Adding to 213533161252 its reverse (252161335312), we get a palindrome (465694496564).

The spelling of 213533161252 in words is "two hundred thirteen billion, five hundred thirty-three million, one hundred sixty-one thousand, two hundred fifty-two".