102020323331031 has 24 divisors (see below), whose sum is σ = 158237811293184. Its totient is φ = 58296514232880.

The previous prime is 102020323331021. The next prime is 102020323331081. The reversal of 102020323331031 is 130133323020201.

It is not a de Polignac number, because 102020323331031 - 2¹¹ = 102020323328983 is a prime.

It is a super-2 number, since 2×102020323331031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102020323330992 and 102020323331010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020323331011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5809546 + ... + 15420488.

It is an arithmetic number, because the mean of its divisors is an integer number (6593242137216).

Almost surely, 2^{102020323331031} is an apocalyptic number.

102020323331031 is a deficient number, since it is larger than the sum of its proper divisors (56217487962153).

102020323331031 is an equidigital number, since it uses as much as digits as its factorization.

102020323331031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9683171 (or 9683164 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 102020323331031 its reverse (130133323020201), we get a palindrome (232153646351232).

The spelling of 102020323331031 in words is "one hundred two trillion, twenty billion, three hundred twenty-three million, three hundred thirty-one thousand, thirty-one".