13123011202031 has 8 divisors (see below), whose sum is σ = 13551338417664. Its totient is φ = 12694996753560.

The previous prime is 13123011202019. The next prime is 13123011202057. The reversal of 13123011202031 is 13020211032131.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13123011202031 is a prime.

It is a super-2 number, since 2×13123011202031² (a number of 27 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 = 13123011201994 and 13123011202012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123011202331) 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, 78106505 + ... + 78274338.

It is an arithmetic number, because the mean of its divisors is an integer number (1693917302208).

Almost surely, 2^{13123011202031} is an apocalyptic number.

13123011202031 is a deficient number, since it is larger than the sum of its proper divisors (428327215633).

13123011202031 is a wasteful number, since it uses less digits than its factorization.

13123011202031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156383581.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13123011202031 its reverse (13020211032131), we get a palindrome (26143222234162).

The spelling of 13123011202031 in words is "thirteen trillion, one hundred twenty-three billion, eleven million, two hundred two thousand, thirty-one".