14130520321231 has 4 divisors (see below), whose sum is σ = 14160778395192. Its totient is φ = 14100262247272.

The previous prime is 14130520321217. The next prime is 14130520321237. The reversal of 14130520321231 is 13212302503141.

14130520321231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14130520321231 is a prime.

It is a super-2 number, since 2×14130520321231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14130520321231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14130520321237) 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, 15129036280 + ... + 15129037213.

It is an arithmetic number, because the mean of its divisors is an integer number (3540194598798).

Almost surely, 2^{14130520321231} is an apocalyptic number.

14130520321231 is a deficient number, since it is larger than the sum of its proper divisors (30258073961).

14130520321231 is an equidigital number, since it uses as much as digits as its factorization.

14130520321231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30258073960.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 14130520321231 its reverse (13212302503141), we get a palindrome (27342822824372).

The spelling of 14130520321231 in words is "fourteen trillion, one hundred thirty billion, five hundred twenty million, three hundred twenty-one thousand, two hundred thirty-one".