102244631 has 2 divisors, whose sum is σ = 102244632. Its totient is φ = 102244630.

The previous prime is 102244627. The next prime is 102244657. The reversal of 102244631 is 136442201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102244631 - 2² = 102244627 is a prime.

It is a super-2 number, since 2×102244631² = 20907929136652322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102244597 and 102244606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102244031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51122315 + 51122316.

It is an arithmetic number, because the mean of its divisors is an integer number (51122316).

Almost surely, 2^102244631 is an apocalyptic number.

102244631 is a deficient number, since it is larger than the sum of its proper divisors (1).

102244631 is an equidigital number, since it uses as much as digits as its factorization.

102244631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 102244631 is about 10111.6087246293. The cubic root of 102244631 is about 467.6061028678.

Adding to 102244631 its reverse (136442201), we get a palindrome (238686832).

The spelling of 102244631 in words is "one hundred two million, two hundred forty-four thousand, six hundred thirty-one".