10315631 has 2 divisors, whose sum is σ = 10315632. Its totient is φ = 10315630.

The previous prime is 10315621. The next prime is 10315667. The reversal of 10315631 is 13651301.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (13651301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10315631 - 2⁶ = 10315567 is a prime.

It is a super-2 number, since 2×10315631² = 212824485856322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10315621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5157815 + 5157816.

It is an arithmetic number, because the mean of its divisors is an integer number (5157816).

Almost surely, 2^10315631 is an apocalyptic number.

10315631 is a deficient number, since it is larger than the sum of its proper divisors (1).

10315631 is an equidigital number, since it uses as much as digits as its factorization.

10315631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 10315631 is about 3211.7956037083. The cubic root of 10315631 is about 217.6867185967.

Adding to 10315631 its reverse (13651301), we get a palindrome (23966932).

The spelling of 10315631 in words is "ten million, three hundred fifteen thousand, six hundred thirty-one".