102010202011031 has 4 divisors (see below), whose sum is σ = 102012492515232. Its totient is φ = 102007911506832.

The previous prime is 102010202011027. The next prime is 102010202011043. The reversal of 102010202011031 is 130110202010201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102010202011031 - 2² = 102010202011027 is a prime.

It is a super-2 number, since 2×102010202011031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102010202010997 and 102010202011015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010202011021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145185295 + ... + 1145274368.

It is an arithmetic number, because the mean of its divisors is an integer number (25503123128808).

Almost surely, 2^{102010202011031} is an apocalyptic number.

102010202011031 is a deficient number, since it is larger than the sum of its proper divisors (2290504201).

102010202011031 is an equidigital number, since it uses as much as digits as its factorization.

102010202011031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290504200.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 102010202011031 its reverse (130110202010201), we get a palindrome (232120404021232).

The spelling of 102010202011031 in words is "one hundred two trillion, ten billion, two hundred two million, eleven thousand, thirty-one".