10431520 has 48 divisors (see below), whose sum is σ = 26889408. Its totient is φ = 3792640.

The previous prime is 10431497. The next prime is 10431527. The reversal of 10431520 is 2513401.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 10431494 and 10431503.

It is not an unprimeable number, because it can be changed into a prime (10431527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1204 + ... + 4723.

It is an arithmetic number, because the mean of its divisors is an integer number (560196).

Almost surely, 2^10431520 is an apocalyptic number.

10431520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10431520 is an abundant number, since it is smaller than the sum of its proper divisors (16457888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10431520 is a wasteful number, since it uses less digits than its factorization.

10431520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953 (or 5945 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 10431520 is about 3229.7863706443. The cubic root of 10431520 is about 218.4988715388.

Adding to 10431520 its reverse (2513401), we get a palindrome (12944921).

It can be divided in two parts, 104 and 31520, that multiplied together give a triangular number (3278080 = T₂₅₆₀).

The spelling of 10431520 in words is "ten million, four hundred thirty-one thousand, five hundred twenty".