3213423531 has 6 divisors (see below), whose sum is σ = 4641611780. Its totient is φ = 2142282348.

The previous prime is 3213423527. The next prime is 3213423547. The reversal of 3213423531 is 1353243123.

It is not a de Polignac number, because 3213423531 - 2² = 3213423527 is a prime.

It is a super-2 number, since 2×3213423531² = 20652181579169015922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3213423495 and 3213423504.

It is not an unprimeable number, because it can be changed into a prime (3213423571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178523521 + ... + 178523538.

Almost surely, 2^3213423531 is an apocalyptic number.

3213423531 is a deficient number, since it is larger than the sum of its proper divisors (1428188249).

3213423531 is a wasteful number, since it uses less digits than its factorization.

3213423531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357047065 (or 357047062 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 3213423531 is about 56687.0666995568. The cubic root of 3213423531 is about 1475.6702545715.

Adding to 3213423531 its reverse (1353243123), we get a palindrome (4566666654).

The spelling of 3213423531 in words is "three billion, two hundred thirteen million, four hundred twenty-three thousand, five hundred thirty-one".