20232313331 has 6 divisors (see below), whose sum is σ = 21150226020. Its totient is φ = 19352647028.

The previous prime is 20232313301. The next prime is 20232313399. The reversal of 20232313331 is 13331323202.

It is not a de Polignac number, because 20232313331 - 2¹⁸ = 20232051187 is a prime.

It is a super-2 number, since 2×20232313331² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20232313297 and 20232313306.

It is not an unprimeable number, because it can be changed into a prime (20232313301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19122641 + ... + 19123698.

It is an arithmetic number, because the mean of its divisors is an integer number (3525037670).

Almost surely, 2^20232313331 is an apocalyptic number.

20232313331 is a deficient number, since it is larger than the sum of its proper divisors (917912689).

20232313331 is an equidigital number, since it uses as much as digits as its factorization.

20232313331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38246385 (or 38246362 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20232313331 its reverse (13331323202), we get a palindrome (33563636533).

The spelling of 20232313331 in words is "twenty billion, two hundred thirty-two million, three hundred thirteen thousand, three hundred thirty-one".