103102421031 has 24 divisors (see below), whose sum is σ = 149373207360. Its totient is φ = 68528606976.

The previous prime is 103102421027. The next prime is 103102421033. The reversal of 103102421031 is 130124201301.

103102421031 is a `hidden beast` number, since 10 + 310 + 242 + 103 + 1 = 666.

It is not a de Polignac number, because 103102421031 - 2² = 103102421027 is a prime.

It is a super-2 number, since 2×103102421031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103102420995 and 103102421013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103102421033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7587115 + ... + 7600691.

It is an arithmetic number, because the mean of its divisors is an integer number (6223883640).

Almost surely, 2^103102421031 is an apocalyptic number.

103102421031 is a deficient number, since it is larger than the sum of its proper divisors (46270786329).

103102421031 is a wasteful number, since it uses less digits than its factorization.

103102421031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16055 (or 16052 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 103102421031 its reverse (130124201301), we get a palindrome (233226622332).

The spelling of 103102421031 in words is "one hundred three billion, one hundred two million, four hundred twenty-one thousand, thirty-one".