103020210131 has 4 divisors (see below), whose sum is σ = 106572631200. Its totient is φ = 99467789064.

The previous prime is 103020210121. The next prime is 103020210199. The reversal of 103020210131 is 131012020301.

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 103020210131 - 2⁶ = 103020210067 is a prime.

It is a super-2 number, since 2×103020210131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103020210121) 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, 1776210491 + ... + 1776210548.

It is an arithmetic number, because the mean of its divisors is an integer number (26643157800).

Almost surely, 2^103020210131 is an apocalyptic number.

103020210131 is a deficient number, since it is larger than the sum of its proper divisors (3552421069).

103020210131 is an equidigital number, since it uses as much as digits as its factorization.

103020210131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552421068.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 103020210131 its reverse (131012020301), we get a palindrome (234032230432).

The spelling of 103020210131 in words is "one hundred three billion, twenty million, two hundred ten thousand, one hundred thirty-one".