10313131 has 4 divisors (see below), whose sum is σ = 10761552. Its totient is φ = 9864712.

The previous prime is 10313129. The next prime is 10313161. The reversal of 10313131 is 13131301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13131301 = 79 ⋅166219.

It is a cyclic number.

It is not a de Polignac number, because 10313131 - 2¹ = 10313129 is a prime.

It is a super-2 number, since 2×10313131² = 212721342046322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10313161) 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, 224176 + ... + 224221.

It is an arithmetic number, because the mean of its divisors is an integer number (2690388).

Almost surely, 2^10313131 is an apocalyptic number.

10313131 is a deficient number, since it is larger than the sum of its proper divisors (448421).

10313131 is an equidigital number, since it uses as much as digits as its factorization.

10313131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448420.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 10313131 is about 3211.4063897302. The cubic root of 10313131 is about 217.6691316691.

Adding to 10313131 its reverse (13131301), we get a palindrome (23444432).

The spelling of 10313131 in words is "ten million, three hundred thirteen thousand, one hundred thirty-one".