102010020031 has 2 divisors, whose sum is σ = 102010020032. Its totient is φ = 102010020030.

The previous prime is 102010019959. The next prime is 102010020059. The reversal of 102010020031 is 130020010201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102010020031 - 2⁹ = 102010019519 is a prime.

It is a super-2 number, since 2×102010020031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102010020061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005010015 + 51005010016.

It is an arithmetic number, because the mean of its divisors is an integer number (51005010016).

Almost surely, 2^102010020031 is an apocalyptic number.

102010020031 is a deficient number, since it is larger than the sum of its proper divisors (1).

102010020031 is an equidigital number, since it uses as much as digits as its factorization.

102010020031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 102010020031 its reverse (130020010201), we get a palindrome (232030030232).

The spelling of 102010020031 in words is "one hundred two billion, ten million, twenty thousand, thirty-one".