102020031332231 has 4 divisors (see below), whose sum is σ = 103166323819200. Its totient is φ = 100873738845264.

The previous prime is 102020031332201. The next prime is 102020031332251. The reversal of 102020031332231 is 132233130020201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102020031332231 is a prime.

It is a super-2 number, since 2×102020031332231² (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 = 102020031332197 and 102020031332206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020031332201) 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, 573146243351 + ... + 573146243528.

It is an arithmetic number, because the mean of its divisors is an integer number (25791580954800).

Almost surely, 2^{102020031332231} is an apocalyptic number.

102020031332231 is a deficient number, since it is larger than the sum of its proper divisors (1146292486969).

102020031332231 is an equidigital number, since it uses as much as digits as its factorization.

102020031332231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146292486968.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 102020031332231 its reverse (132233130020201), we get a palindrome (234253161352432).

The spelling of 102020031332231 in words is "one hundred two trillion, twenty billion, thirty-one million, three hundred thirty-two thousand, two hundred thirty-one".