103131120320030 has 128 divisors (see below), whose sum is σ = 207968407096320. Its totient is φ = 36809432457600.

The previous prime is 103131120320023. The next prime is 103131120320077. The reversal of 103131120320030 is 30023021131301.

It is a junction number, because it is equal to n+sod(n) for n = 103131120319984 and 103131120320011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 507981140 + ... + 508184120.

It is an arithmetic number, because the mean of its divisors is an integer number (1624753180440).

Almost surely, 2^{103131120320030} is an apocalyptic number.

103131120320030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103131120320030 is an abundant number, since it is smaller than the sum of its proper divisors (104837286776290).

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

103131120320030 is a wasteful number, since it uses less digits than its factorization.

103131120320030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203727 (or 203705 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 103131120320030 its reverse (30023021131301), we get a palindrome (133154141451331).

The spelling of 103131120320030 in words is "one hundred three trillion, one hundred thirty-one billion, one hundred twenty million, three hundred twenty thousand, thirty".