3132312431 has 16 divisors (see below), whose sum is σ = 3446826240. Its totient is φ = 2833237440.

The previous prime is 3132312371. The next prime is 3132312437. The reversal of 3132312431 is 1342132313.

It is not a de Polignac number, because 3132312431 - 2¹⁸ = 3132050287 is a prime.

It is a super-2 number, since 2×3132312431² = 19622762330794259522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3132312397 and 3132312406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3132312437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243251 + ... + 255803.

It is an arithmetic number, because the mean of its divisors is an integer number (215426640).

Almost surely, 2^3132312431 is an apocalyptic number.

3132312431 is a deficient number, since it is larger than the sum of its proper divisors (314513809).

3132312431 is a wasteful number, since it uses less digits than its factorization.

3132312431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13166.

The product of its digits is 1296, while the sum is 23.

The square root of 3132312431 is about 55967.0655921856. The cubic root of 3132312431 is about 1463.1483369490.

Adding to 3132312431 its reverse (1342132313), we get a palindrome (4474444744).

The spelling of 3132312431 in words is "three billion, one hundred thirty-two million, three hundred twelve thousand, four hundred thirty-one".