10513231 has 4 divisors (see below), whose sum is σ = 10970352. Its totient is φ = 10056112.

The previous prime is 10513219. The next prime is 10513267. The reversal of 10513231 is 13231501.

10513231 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10513231 - 2¹¹ = 10511183 is a prime.

It is a super-2 number, since 2×10513231² = 221056052118722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10513201) 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, 228526 + ... + 228571.

It is an arithmetic number, because the mean of its divisors is an integer number (2742588).

Almost surely, 2^10513231 is an apocalyptic number.

10513231 is a deficient number, since it is larger than the sum of its proper divisors (457121).

10513231 is an equidigital number, since it uses as much as digits as its factorization.

10513231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457120.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 10513231 is about 3242.4112940835. The cubic root of 10513231 is about 219.0678952418.

Adding to 10513231 its reverse (13231501), we get a palindrome (23744732).

The spelling of 10513231 in words is "ten million, five hundred thirteen thousand, two hundred thirty-one".