13154220021013 has 4 divisors (see below), whose sum is σ = 13846547390560. Its totient is φ = 12461892651468.

The previous prime is 13154220020993. The next prime is 13154220021029. The reversal of 13154220021013 is 31012002245131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13154220021013 - 2²⁵ = 13154186466581 is a prime.

It is a super-2 number, since 2×13154220021013² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13154220021043) 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, 346163684745 + ... + 346163684782.

It is an arithmetic number, because the mean of its divisors is an integer number (3461636847640).

Almost surely, 2^{13154220021013} is an apocalyptic number.

It is an amenable number.

13154220021013 is a deficient number, since it is larger than the sum of its proper divisors (692327369547).

13154220021013 is an equidigital number, since it uses as much as digits as its factorization.

13154220021013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692327369546.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 13154220021013 its reverse (31012002245131), we get a palindrome (44166222266144).

The spelling of 13154220021013 in words is "thirteen trillion, one hundred fifty-four billion, two hundred twenty million, twenty-one thousand, thirteen".