103131121030 has 16 divisors (see below), whose sum is σ = 212155449120. Its totient is φ = 35359241472.

The previous prime is 103131120991. The next prime is 103131121031. The reversal of 103131121030 is 30121131301.

It is a junction number, because it is equal to n+sod(n) for n = 103131120995 and 103131121013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103131121031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736650795 + ... + 736650934.

It is an arithmetic number, because the mean of its divisors is an integer number (13259715570).

Almost surely, 2^103131121030 is an apocalyptic number.

103131121030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103131121030 is an abundant number, since it is smaller than the sum of its proper divisors (109024328090).

103131121030 is a wasteful number, since it uses less digits than its factorization.

103131121030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473301743.

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

Adding to 103131121030 its reverse (30121131301), we get a palindrome (133252252331).

The spelling of 103131121030 in words is "one hundred three billion, one hundred thirty-one million, one hundred twenty-one thousand, thirty".