103231556916520 has 64 divisors (see below), whose sum is σ = 236707391283840. Its totient is φ = 40504286534400.

The previous prime is 103231556916511. The next prime is 103231556916533. The reversal of 103231556916520 is 25619655132301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3764155 + ... + 14853685.

It is an arithmetic number, because the mean of its divisors is an integer number (3698552988810).

Almost surely, 2^{103231556916520} is an apocalyptic number.

103231556916520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103231556916520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118353695641920).

103231556916520 is an abundant number, since it is smaller than the sum of its proper divisors (133475834367320).

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

103231556916520 is a wasteful number, since it uses less digits than its factorization.

103231556916520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11093986 (or 11093982 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 49.

The spelling of 103231556916520 in words is "one hundred three trillion, two hundred thirty-one billion, five hundred fifty-six million, nine hundred sixteen thousand, five hundred twenty".