103312021032 has 48 divisors (see below), whose sum is σ = 305240064480. Its totient is φ = 31306672800.

The previous prime is 103312021013. The next prime is 103312021061. The reversal of 103312021032 is 230120213301.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 103312020996 and 103312021014.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65221444 + ... + 65223027.

It is an arithmetic number, because the mean of its divisors is an integer number (6359168010).

Almost surely, 2^103312021032 is an apocalyptic number.

103312021032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103312021032 is an abundant number, since it is smaller than the sum of its proper divisors (201928043448).

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

103312021032 is a wasteful number, since it uses less digits than its factorization.

103312021032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130444494 (or 130444487 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 103312021032 its reverse (230120213301), we get a palindrome (333432234333).

The spelling of 103312021032 in words is "one hundred three billion, three hundred twelve million, twenty-one thousand, thirty-two".