102010631 has 2 divisors, whose sum is σ = 102010632. Its totient is φ = 102010630.

The previous prime is 102010619. The next prime is 102010669. The reversal of 102010631 is 136010201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102010631 - 2¹⁸ = 101748487 is a prime.

It is a super-2 number, since 2×102010631² = 20812337674036322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102010691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005315 + 51005316.

It is an arithmetic number, because the mean of its divisors is an integer number (51005316).

Almost surely, 2^102010631 is an apocalyptic number.

102010631 is a deficient number, since it is larger than the sum of its proper divisors (1).

102010631 is an equidigital number, since it uses as much as digits as its factorization.

102010631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 102010631 is about 10100.0312375755. The cubic root of 102010631 is about 467.2491047967.

Adding to 102010631 its reverse (136010201), we get a palindrome (238020832).

The spelling of 102010631 in words is "one hundred two million, ten thousand, six hundred thirty-one".