162315205631 has 2 divisors, whose sum is σ = 162315205632. Its totient is φ = 162315205630.

The previous prime is 162315205627. The next prime is 162315205667. The reversal of 162315205631 is 136502513261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162315205631 - 2² = 162315205627 is a prime.

It is a super-2 number, since 2×162315205631² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 162315205591 and 162315205600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162315205831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81157602815 + 81157602816.

It is an arithmetic number, because the mean of its divisors is an integer number (81157602816).

Almost surely, 2^162315205631 is an apocalyptic number.

162315205631 is a deficient number, since it is larger than the sum of its proper divisors (1).

162315205631 is an equidigital number, since it uses as much as digits as its factorization.

162315205631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 162315205631 its reverse (136502513261), we get a palindrome (298817718892).

The spelling of 162315205631 in words is "one hundred sixty-two billion, three hundred fifteen million, two hundred five thousand, six hundred thirty-one".