23103213131 has 4 divisors (see below), whose sum is σ = 23105007792. Its totient is φ = 23101418472.

The previous prime is 23103213113. The next prime is 23103213143. The reversal of 23103213131 is 13131230132.

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 23103213131 - 2¹⁴ = 23103196747 is a prime.

It is a super-2 number, since 2×23103213131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23103213181) 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, 877880 + ... + 903813.

It is an arithmetic number, because the mean of its divisors is an integer number (5776251948).

Almost surely, 2^23103213131 is an apocalyptic number.

23103213131 is a deficient number, since it is larger than the sum of its proper divisors (1794661).

23103213131 is a wasteful number, since it uses less digits than its factorization.

23103213131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794660.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23103213131 its reverse (13131230132), we get a palindrome (36234443263).

The spelling of 23103213131 in words is "twenty-three billion, one hundred three million, two hundred thirteen thousand, one hundred thirty-one".