10520431 has 2 divisors, whose sum is σ = 10520432. Its totient is φ = 10520430.

The previous prime is 10520429. The next prime is 10520449. The reversal of 10520431 is 13402501.

10520431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10520431 - 2¹ = 10520429 is a prime.

It is a super-2 number, since 2×10520431² = 221358936851522, which contains 22 as substring.

Together with 10520429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10520401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260215 + 5260216.

It is an arithmetic number, because the mean of its divisors is an integer number (5260216).

Almost surely, 2^10520431 is an apocalyptic number.

10520431 is a deficient number, since it is larger than the sum of its proper divisors (1).

10520431 is an equidigital number, since it uses as much as digits as its factorization.

10520431 is an evil number, because the sum of its binary digits is even.

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

The square root of 10520431 is about 3243.5213888612. The cubic root of 10520431 is about 219.1178934746.

Adding to 10520431 its reverse (13402501), we get a palindrome (23922932).

The spelling of 10520431 in words is "ten million, five hundred twenty thousand, four hundred thirty-one".