13250231031 has 8 divisors (see below), whose sum is σ = 17668207984. Its totient is φ = 8832870720.

The previous prime is 13250231011. The next prime is 13250231123. The reversal of 13250231031 is 13013205231.

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

It is not a de Polignac number, because 13250231031 - 2⁵ = 13250230999 is a prime.

It is a super-2 number, since 2×13250231031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13250230989 and 13250231007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13250231011) 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, 101446 + ... + 191811.

It is an arithmetic number, because the mean of its divisors is an integer number (2208525998).

Almost surely, 2^13250231031 is an apocalyptic number.

13250231031 is a deficient number, since it is larger than the sum of its proper divisors (4417976953).

13250231031 is a wasteful number, since it uses less digits than its factorization.

13250231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308321.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 13250231031 its reverse (13013205231), we get a palindrome (26263436262).

The spelling of 13250231031 in words is "thirteen billion, two hundred fifty million, two hundred thirty-one thousand, thirty-one".