10312431 has 4 divisors (see below), whose sum is σ = 13749912. Its totient is φ = 6874952.

The previous prime is 10312409. The next prime is 10312453. The reversal of 10312431 is 13421301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13421301 = 3 ⋅4473767.

It is an interprime number because it is at equal distance from previous prime (10312409) and next prime (10312453).

It is a cyclic number.

It is not a de Polignac number, because 10312431 - 2⁹ = 10311919 is a prime.

It is a super-2 number, since 2×10312431² = 212692466259522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10312431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1718736 + ... + 1718741.

It is an arithmetic number, because the mean of its divisors is an integer number (3437478).

Almost surely, 2^10312431 is an apocalyptic number.

10312431 is a deficient number, since it is larger than the sum of its proper divisors (3437481).

10312431 is an equidigital number, since it uses as much as digits as its factorization.

10312431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437480.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 10312431 is about 3211.2974013629. The cubic root of 10312431 is about 217.6642068200.

Adding to 10312431 its reverse (13421301), we get a palindrome (23733732).

The spelling of 10312431 in words is "ten million, three hundred twelve thousand, four hundred thirty-one".