10431031 has 4 divisors (see below), whose sum is σ = 11233432. Its totient is φ = 9628632.

The previous prime is 10431017. The next prime is 10431041. The reversal of 10431031 is 13013401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13013401 = 109 ⋅119389.

It is not a de Polignac number, because 10431031 - 2⁵ = 10430999 is a prime.

It is a super-2 number, since 2×10431031² = 217612815445922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 802387 = 10431031 / (1 + 0 + 4 + 3 + 1 + 0 + 3 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10431011) 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, 401181 + ... + 401206.

It is an arithmetic number, because the mean of its divisors is an integer number (2808358).

Almost surely, 2^10431031 is an apocalyptic number.

10431031 is a deficient number, since it is larger than the sum of its proper divisors (802401).

10431031 is an equidigital number, since it uses as much as digits as its factorization.

10431031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802400.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 10431031 is about 3229.7106681559. The cubic root of 10431031 is about 218.4954572835.

Adding to 10431031 its reverse (13013401), we get a palindrome (23444432).

The spelling of 10431031 in words is "ten million, four hundred thirty-one thousand, thirty-one".