10315131 has 4 divisors (see below), whose sum is σ = 13753512. Its totient is φ = 6876752.

The previous prime is 10315127. The next prime is 10315133. The reversal of 10315131 is 13151301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13151301 = 3 ⋅4383767.

It is a cyclic number.

It is not a de Polignac number, because 10315131 - 2² = 10315127 is a prime.

It is a super-2 number, since 2×10315131² = 212803855094322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10315131.

It is not an unprimeable number, because it can be changed into a prime (10315133) 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, 1719186 + ... + 1719191.

It is an arithmetic number, because the mean of its divisors is an integer number (3438378).

Almost surely, 2^10315131 is an apocalyptic number.

10315131 is a deficient number, since it is larger than the sum of its proper divisors (3438381).

10315131 is an equidigital number, since it uses as much as digits as its factorization.

10315131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438380.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 10315131 is about 3211.7177646861. The cubic root of 10315131 is about 217.6832014385.

Adding to 10315131 its reverse (13151301), we get a palindrome (23466432).

The spelling of 10315131 in words is "ten million, three hundred fifteen thousand, one hundred thirty-one".