23020313131 has 2 divisors, whose sum is σ = 23020313132. Its totient is φ = 23020313130.

The previous prime is 23020313089. The next prime is 23020313137. The reversal of 23020313131 is 13131302032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23020313131 - 2¹⁹ = 23019788843 is a prime.

It is a super-2 number, since 2×23020313131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23020313099 and 23020313108.

It is not a weakly prime, because it can be changed into another prime (23020313137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11510156565 + 11510156566.

It is an arithmetic number, because the mean of its divisors is an integer number (11510156566).

Almost surely, 2^23020313131 is an apocalyptic number.

23020313131 is a deficient number, since it is larger than the sum of its proper divisors (1).

23020313131 is an equidigital number, since it uses as much as digits as its factorization.

23020313131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23020313131 its reverse (13131302032), we get a palindrome (36151615163).

The spelling of 23020313131 in words is "twenty-three billion, twenty million, three hundred thirteen thousand, one hundred thirty-one".