103111031320 has 32 divisors (see below), whose sum is σ = 253090714320. Its totient is φ = 37494920320.

The previous prime is 103111031297. The next prime is 103111031327. The reversal of 103111031320 is 23130111301.

It is a junction number, because it is equal to n+sod(n) for n = 103111031294 and 103111031303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103111031327) 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, 117171187 + ... + 117172066.

Almost surely, 2^103111031320 is an apocalyptic number.

103111031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103111031320 is an abundant number, since it is smaller than the sum of its proper divisors (149979683000).

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

103111031320 is a wasteful number, since it uses less digits than its factorization.

103111031320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234343275 (or 234343271 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 103111031320 its reverse (23130111301), we get a palindrome (126241142621).

The spelling of 103111031320 in words is "one hundred three billion, one hundred eleven million, thirty-one thousand, three hundred twenty".