102020031100131 has 8 divisors (see below), whose sum is σ = 136065673116864. Its totient is φ = 67993871575080.

The previous prime is 102020031100111. The next prime is 102020031100157. The reversal of 102020031100131 is 131001130020201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102020031100131 - 2¹³ = 102020031091939 is a prime.

It is a super-2 number, since 2×102020031100131² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102020031100131.

It is not an unprimeable number, because it can be changed into a prime (102020031100111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4870610701 + ... + 4870631646.

It is an arithmetic number, because the mean of its divisors is an integer number (17008209139608).

Almost surely, 2^{102020031100131} is an apocalyptic number.

102020031100131 is a deficient number, since it is larger than the sum of its proper divisors (34045642016733).

102020031100131 is an equidigital number, since it uses as much as digits as its factorization.

102020031100131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9741245841.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 102020031100131 its reverse (131001130020201), we get a palindrome (233021161120332).

The spelling of 102020031100131 in words is "one hundred two trillion, twenty billion, thirty-one million, one hundred thousand, one hundred thirty-one".