28316336425631 has 2 divisors, whose sum is σ = 28316336425632. Its totient is φ = 28316336425630.

The previous prime is 28316336425627. The next prime is 28316336425679. The reversal of 28316336425631 is 13652463361382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28316336425631 - 2² = 28316336425627 is a prime.

It is a super-2 number, since 2×28316336425631² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28316336425831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14158168212815 + 14158168212816.

It is an arithmetic number, because the mean of its divisors is an integer number (14158168212816).

Almost surely, 2^{28316336425631} is an apocalyptic number.

28316336425631 is a deficient number, since it is larger than the sum of its proper divisors (1).

28316336425631 is an equidigital number, since it uses as much as digits as its factorization.

28316336425631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11197440, while the sum is 53.

The spelling of 28316336425631 in words is "twenty-eight trillion, three hundred sixteen billion, three hundred thirty-six million, four hundred twenty-five thousand, six hundred thirty-one".