103121130030 has 32 divisors (see below), whose sum is σ = 247499155584. Its totient is φ = 27498029856.

The previous prime is 103121130011. The next prime is 103121130067. The reversal of 103121130030 is 30031121301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 103121129991 and 103121130009.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1704357 + ... + 1763823.

It is an arithmetic number, because the mean of its divisors is an integer number (7734348612).

Almost surely, 2^103121130030 is an apocalyptic number.

103121130030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103121130030 is an abundant number, since it is smaller than the sum of its proper divisors (144378025554).

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

103121130030 is a wasteful number, since it uses less digits than its factorization.

103121130030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117280.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 103121130030 its reverse (30031121301), we get a palindrome (133152251331).

The spelling of 103121130030 in words is "one hundred three billion, one hundred twenty-one million, one hundred thirty thousand, thirty".