103231547720 has 96 divisors (see below), whose sum is σ = 272978770680. Its totient is φ = 35028725760.

The previous prime is 103231547717. The next prime is 103231547729. The reversal of 103231547720 is 27745132301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 99746062276 + 3485485444 = 315826^2 + 59038^2 .

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (103231547729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81371 + ... + 461610.

Almost surely, 2^103231547720 is an apocalyptic number.

103231547720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103231547720 is an abundant number, since it is smaller than the sum of its proper divisors (169747222960).

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

103231547720 is a wasteful number, since it uses less digits than its factorization.

103231547720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543103 (or 543092 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 103231547720 in words is "one hundred three billion, two hundred thirty-one million, five hundred forty-seven thousand, seven hundred twenty".