245342250311131 has 4 divisors (see below), whose sum is σ = 245342300427000. Its totient is φ = 245342200195264.

The previous prime is 245342250311129. The next prime is 245342250311143. The reversal of 245342250311131 is 131113052243542.

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 245342250311131 - 2¹ = 245342250311129 is a prime.

It is a super-2 number, since 2×245342250311131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245342250311111) 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, 16809661 + ... + 27807358.

It is an arithmetic number, because the mean of its divisors is an integer number (61335575106750).

Almost surely, 2^{245342250311131} is an apocalyptic number.

245342250311131 is a deficient number, since it is larger than the sum of its proper divisors (50115869).

245342250311131 is an equidigital number, since it uses as much as digits as its factorization.

245342250311131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50115868.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 245342250311131 in words is "two hundred forty-five trillion, three hundred forty-two billion, two hundred fifty million, three hundred eleven thousand, one hundred thirty-one".