3212431231 has 6 divisors (see below), whose sum is σ = 3412513760. Its totient is φ = 3023464416.

The previous prime is 3212431219. The next prime is 3212431241. The reversal of 3212431231 is 1321342123.

It is not a de Polignac number, because 3212431231 - 2²¹ = 3210334079 is a prime.

It is a super-2 number, since 2×3212431231² = 20639428827808350722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212431241) 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, 5557551 + ... + 5558128.

Almost surely, 2^3212431231 is an apocalyptic number.

3212431231 is a deficient number, since it is larger than the sum of its proper divisors (200082529).

3212431231 is a wasteful number, since it uses less digits than its factorization.

3212431231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11115713 (or 11115696 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 3212431231 is about 56678.3135864150. The cubic root of 3212431231 is about 1475.5183440696.

Adding to 3212431231 its reverse (1321342123), we get a palindrome (4533773354).

The spelling of 3212431231 in words is "three billion, two hundred twelve million, four hundred thirty-one thousand, two hundred thirty-one".