662315131 has 2 divisors, whose sum is σ = 662315132. Its totient is φ = 662315130.

The previous prime is 662315113. The next prime is 662315141. The reversal of 662315131 is 131513266.

Together with previous prime (662315113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 662315131 - 2²⁹ = 125444219 is a prime.

It is a super-2 number, since 2×662315131² = 877322665503094322, 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 662315131.

It is not a weakly prime, because it can be changed into another prime (662315141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331157565 + 331157566.

It is an arithmetic number, because the mean of its divisors is an integer number (331157566).

Almost surely, 2^662315131 is an apocalyptic number.

662315131 is a deficient number, since it is larger than the sum of its proper divisors (1).

662315131 is an equidigital number, since it uses as much as digits as its factorization.

662315131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 28.

The square root of 662315131 is about 25735.4838889810. The cubic root of 662315131 is about 871.6756058993.

Adding to 662315131 its reverse (131513266), we get a palindrome (793828397).

The spelling of 662315131 in words is "six hundred sixty-two million, three hundred fifteen thousand, one hundred thirty-one".