13031133321 has 8 divisors (see below), whose sum is σ = 17381316640. Its totient is φ = 8684186112.

The previous prime is 13031133317. The next prime is 13031133347. The reversal of 13031133321 is 12333113031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13031133321 - 2² = 13031133317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13031133121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799615 + ... + 815748.

It is an arithmetic number, because the mean of its divisors is an integer number (2172664580).

Almost surely, 2^13031133321 is an apocalyptic number.

It is an amenable number.

13031133321 is a deficient number, since it is larger than the sum of its proper divisors (4350183319).

13031133321 is a wasteful number, since it uses less digits than its factorization.

13031133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618055.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 13031133321 its reverse (12333113031), we get a palindrome (25364246352).

The spelling of 13031133321 in words is "thirteen billion, thirty-one million, one hundred thirty-three thousand, three hundred twenty-one".