103031221332 has 48 divisors (see below), whose sum is σ = 259681268672. Its totient is φ = 31606122240.

The previous prime is 103031221331. The next prime is 103031221361. The reversal of 103031221332 is 233122130301.

It is a junction number, because it is equal to n+sod(n) for n = 103031221299 and 103031221308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103031221331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 946033 + ... + 1049304.

Almost surely, 2^103031221332 is an apocalyptic number.

103031221332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103031221332 is an abundant number, since it is smaller than the sum of its proper divisors (156650047340).

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

103031221332 is a wasteful number, since it uses less digits than its factorization.

103031221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995688 (or 1995686 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 103031221332 its reverse (233122130301), we get a palindrome (336153351633).

The spelling of 103031221332 in words is "one hundred three billion, thirty-one million, two hundred twenty-one thousand, three hundred thirty-two".