103121130231 has 12 divisors (see below), whose sum is σ = 170231707152. Its totient is φ = 58926360096.

The previous prime is 103121130221. The next prime is 103121130241. The reversal of 103121130231 is 132031121301.

103121130231 is a `hidden beast` number, since 10 + 312 + 11 + 302 + 31 = 666.

It is an interprime number because it is at equal distance from previous prime (103121130221) and next prime (103121130241).

It is not a de Polignac number, because 103121130231 - 2²¹ = 103119033079 is a prime.

It is a super-2 number, since 2×103121130231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103121130221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 818421606 + ... + 818421731.

It is an arithmetic number, because the mean of its divisors is an integer number (14185975596).

Almost surely, 2^103121130231 is an apocalyptic number.

103121130231 is a deficient number, since it is larger than the sum of its proper divisors (67110576921).

103121130231 is a wasteful number, since it uses less digits than its factorization.

103121130231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636843350 (or 1636843347 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 103121130231 its reverse (132031121301), we get a palindrome (235152251532).

The spelling of 103121130231 in words is "one hundred three billion, one hundred twenty-one million, one hundred thirty thousand, two hundred thirty-one".