13123122031 has 8 divisors (see below), whose sum is σ = 13352565680. Its totient is φ = 12894666048.

The previous prime is 13123122017. The next prime is 13123122041. The reversal of 13123122031 is 13022132131.

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

It is a cyclic number.

It is not a de Polignac number, because 13123122031 - 2⁹ = 13123121519 is a prime.

It is a super-2 number, since 2×13123122031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123122011) 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, 220086 + ... + 273283.

It is an arithmetic number, because the mean of its divisors is an integer number (1669070710).

Almost surely, 2^13123122031 is an apocalyptic number.

13123122031 is a deficient number, since it is larger than the sum of its proper divisors (229443649).

13123122031 is an equidigital number, since it uses as much as digits as its factorization.

13123122031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493833.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13123122031 its reverse (13022132131), we get a palindrome (26145254162).

The spelling of 13123122031 in words is "thirteen billion, one hundred twenty-three million, one hundred twenty-two thousand, thirty-one".