13002023131 has 4 divisors (see below), whose sum is σ = 13421443264. Its totient is φ = 12582603000.

The previous prime is 13002023129. The next prime is 13002023143. The reversal of 13002023131 is 13132020031.

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 13002023131 - 2¹ = 13002023129 is a prime.

It is a super-2 number, since 2×13002023131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13002023101) 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, 209710020 + ... + 209710081.

It is an arithmetic number, because the mean of its divisors is an integer number (3355360816).

Almost surely, 2^13002023131 is an apocalyptic number.

13002023131 is a deficient number, since it is larger than the sum of its proper divisors (419420133).

13002023131 is an equidigital number, since it uses as much as digits as its factorization.

13002023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419420132.

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

Adding to 13002023131 its reverse (13132020031), we get a palindrome (26134043162).

The spelling of 13002023131 in words is "thirteen billion, two million, twenty-three thousand, one hundred thirty-one".