103130307621 has 64 divisors (see below), whose sum is σ = 170769392640. Its totient is φ = 60971641920.

The previous prime is 103130307619. The next prime is 103130307659. The reversal of 103130307621 is 126703031301.

103130307621 is a `hidden beast` number, since 1 + 0 + 3 + 1 + 3 + 0 + 30 + 7 + 621 = 666.

It is not a de Polignac number, because 103130307621 - 2¹ = 103130307619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103130307661) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10888930 + ... + 10898396.

It is an arithmetic number, because the mean of its divisors is an integer number (2668271760).

Almost surely, 2^103130307621 is an apocalyptic number.

103130307621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103130307621 is a deficient number, since it is larger than the sum of its proper divisors (67639085019).

103130307621 is a wasteful number, since it uses less digits than its factorization.

103130307621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10383 (or 10377 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

Adding to 103130307621 its reverse (126703031301), we get a palindrome (229833338922).

The spelling of 103130307621 in words is "one hundred three billion, one hundred thirty million, three hundred seven thousand, six hundred twenty-one".