231315707 has 16 divisors (see below), whose sum is σ = 274366464. Its totient is φ = 190836000.

The previous prime is 231315697. The next prime is 231315737. The reversal of 231315707 is 707513132.

It is not a de Polignac number, because 231315707 - 2¹⁴ = 231299323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231315707.

It is not an unprimeable number, because it can be changed into a prime (231315737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38657 + ... + 44237.

It is an arithmetic number, because the mean of its divisors is an integer number (17147904).

Almost surely, 2^231315707 is an apocalyptic number.

231315707 is a deficient number, since it is larger than the sum of its proper divisors (43050757).

231315707 is a wasteful number, since it uses less digits than its factorization.

231315707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 231315707 is about 15209.0666051537. The cubic root of 231315707 is about 613.8586423517.

Adding to 231315707 its reverse (707513132), we get a palindrome (938828839).

The spelling of 231315707 in words is "two hundred thirty-one million, three hundred fifteen thousand, seven hundred seven".