103130331320 has 32 divisors (see below), whose sum is σ = 232251084000. Its totient is φ = 41215183488.

The previous prime is 103130331319. The next prime is 103130331323. The reversal of 103130331320 is 23133031301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 103130331292 and 103130331301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103130331323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109420 + ... + 1198779.

It is an arithmetic number, because the mean of its divisors is an integer number (7257846375).

Almost surely, 2^103130331320 is an apocalyptic number.

103130331320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103130331320 is an abundant number, since it is smaller than the sum of its proper divisors (129120752680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103130331320 is a wasteful number, since it uses less digits than its factorization.

103130331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309327 (or 2309323 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 103130331320 its reverse (23133031301), we get a palindrome (126263362621).

The spelling of 103130331320 in words is "one hundred three billion, one hundred thirty million, three hundred thirty-one thousand, three hundred twenty".