13031232330 has 16 divisors (see below), whose sum is σ = 31274957664. Its totient is φ = 3474995280.

The previous prime is 13031232301. The next prime is 13031232371. The reversal of 13031232330 is 3323213031.

It is a junction number, because it is equal to n+sod(n) for n = 13031232297 and 13031232306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217187176 + ... + 217187235.

It is an arithmetic number, because the mean of its divisors is an integer number (1954684854).

Almost surely, 2^13031232330 is an apocalyptic number.

13031232330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13031232330 is an abundant number, since it is smaller than the sum of its proper divisors (18243725334).

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

13031232330 is a wasteful number, since it uses less digits than its factorization.

13031232330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434374421.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 13031232330 its reverse (3323213031), we get a palindrome (16354445361).

The spelling of 13031232330 in words is "thirteen billion, thirty-one million, two hundred thirty-two thousand, three hundred thirty".