23120331011131 has 4 divisors (see below), whose sum is σ = 24480350482392. Its totient is φ = 21760311539872.

The previous prime is 23120331011039. The next prime is 23120331011159. The reversal of 23120331011131 is 13111013302132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23120331011131 - 2⁹ = 23120331010619 is a prime.

It is a super-2 number, since 2×23120331011131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23120331011171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680009735605 + ... + 680009735638.

It is an arithmetic number, because the mean of its divisors is an integer number (6120087620598).

Almost surely, 2^{23120331011131} is an apocalyptic number.

23120331011131 is a deficient number, since it is larger than the sum of its proper divisors (1360019471261).

23120331011131 is a wasteful number, since it uses less digits than its factorization.

23120331011131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360019471260.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 23120331011131 its reverse (13111013302132), we get a palindrome (36231344313263).

The spelling of 23120331011131 in words is "twenty-three trillion, one hundred twenty billion, three hundred thirty-one million, eleven thousand, one hundred thirty-one".