20231001313 has 4 divisors (see below), whose sum is σ = 20335825348. Its totient is φ = 20126177280.

The previous prime is 20231001311. The next prime is 20231001341. The reversal of 20231001313 is 31310013202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1365154704 + 18865846609 = 36948^2 + 137353^2 .

It is a cyclic number.

It is not a de Polignac number, because 20231001313 - 2¹ = 20231001311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20231001311) 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, 52411728 + ... + 52412113.

It is an arithmetic number, because the mean of its divisors is an integer number (5083956337).

Almost surely, 2^20231001313 is an apocalyptic number.

It is an amenable number.

20231001313 is a deficient number, since it is larger than the sum of its proper divisors (104824035).

20231001313 is a wasteful number, since it uses less digits than its factorization.

20231001313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104824034.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20231001313 its reverse (31310013202), we get a palindrome (51541014515).

The spelling of 20231001313 in words is "twenty billion, two hundred thirty-one million, one thousand, three hundred thirteen".