13000431233 has 8 divisors (see below), whose sum is σ = 13773449952. Its totient is φ = 12228333376.

The previous prime is 13000431217. The next prime is 13000431253. The reversal of 13000431233 is 33213400031.

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

It is not a de Polignac number, because 13000431233 - 2⁴ = 13000431217 is a prime.

It is a super-2 number, since 2×13000431233² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13000431253) 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, 201035 + ... + 257712.

It is an arithmetic number, because the mean of its divisors is an integer number (1721681244).

Almost surely, 2^13000431233 is an apocalyptic number.

It is an amenable number.

13000431233 is a deficient number, since it is larger than the sum of its proper divisors (773018719).

13000431233 is a wasteful number, since it uses less digits than its factorization.

13000431233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460431.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13000431233 its reverse (33213400031), we get a palindrome (46213831264).

The spelling of 13000431233 in words is "thirteen billion, four hundred thirty-one thousand, two hundred thirty-three".