3212131431 has 32 divisors (see below), whose sum is σ = 4644025600. Its totient is φ = 1973416608.

The previous prime is 3212131427. The next prime is 3212131451. The reversal of 3212131431 is 1341312123.

It is not a de Polignac number, because 3212131431 - 2² = 3212131427 is a prime.

It is a super-2 number, since 2×3212131431² = 20635576660036215522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3212131398 and 3212131407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212131411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 759240 + ... + 763458.

It is an arithmetic number, because the mean of its divisors is an integer number (145125800).

Almost surely, 2^3212131431 is an apocalyptic number.

3212131431 is a deficient number, since it is larger than the sum of its proper divisors (1431894169).

3212131431 is an equidigital number, since it uses as much as digits as its factorization.

3212131431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316 (or 4278 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 3212131431 is about 56675.6687741750. The cubic root of 3212131431 is about 1475.4724417473.

Adding to 3212131431 its reverse (1341312123), we get a palindrome (4553443554).

The spelling of 3212131431 in words is "three billion, two hundred twelve million, one hundred thirty-one thousand, four hundred thirty-one".