13121023301131 has 4 divisors (see below), whose sum is σ = 13131682135264. Its totient is φ = 13110364467000.

The previous prime is 13121023301123. The next prime is 13121023301159. The reversal of 13121023301131 is 13110332012131.

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 13121023301131 - 2³ = 13121023301123 is a prime.

It is a super-2 number, since 2×13121023301131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13121023301431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5329415220 + ... + 5329417681.

It is an arithmetic number, because the mean of its divisors is an integer number (3282920533816).

Almost surely, 2^{13121023301131} is an apocalyptic number.

13121023301131 is a deficient number, since it is larger than the sum of its proper divisors (10658834133).

13121023301131 is a wasteful number, since it uses less digits than its factorization.

13121023301131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10658834132.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 13121023301131 its reverse (13110332012131), we get a palindrome (26231355313262).

The spelling of 13121023301131 in words is "thirteen trillion, one hundred twenty-one billion, twenty-three million, three hundred one thousand, one hundred thirty-one".