102020201031319 has 4 divisors (see below), whose sum is σ = 102020237654400. Its totient is φ = 102020164408240.

The previous prime is 102020201031247. The next prime is 102020201031323. The reversal of 102020201031319 is 913130102020201.

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 102020201031319 - 2⁹ = 102020201030807 is a prime.

It is a super-2 number, since 2×102020201031319² (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 = 102020201031293 and 102020201031302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020201031019) 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, 13755094 + ... + 19830355.

It is an arithmetic number, because the mean of its divisors is an integer number (25505059413600).

Almost surely, 2^{102020201031319} is an apocalyptic number.

102020201031319 is a deficient number, since it is larger than the sum of its proper divisors (36623081).

102020201031319 is an equidigital number, since it uses as much as digits as its factorization.

102020201031319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36623080.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 102020201031319 in words is "one hundred two trillion, twenty billion, two hundred one million, thirty-one thousand, three hundred nineteen".