345250455131 has 4 divisors (see below), whose sum is σ = 345260713392. Its totient is φ = 345240196872.

The previous prime is 345250454999. The next prime is 345250455139. The reversal of 345250455131 is 131554052543.

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-345250455131 is a prime.

It is a super-2 number, since 2×345250455131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345250455139) 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, 5078480 + ... + 5146013.

It is an arithmetic number, because the mean of its divisors is an integer number (86315178348).

Almost surely, 2^345250455131 is an apocalyptic number.

345250455131 is a deficient number, since it is larger than the sum of its proper divisors (10258261).

345250455131 is a wasteful number, since it uses less digits than its factorization.

345250455131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10258260.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 345250455131 in words is "three hundred forty-five billion, two hundred fifty million, four hundred fifty-five thousand, one hundred thirty-one".