425131434131 has 8 divisors (see below), whose sum is σ = 443622036480. Its totient is φ = 406641384072.

The previous prime is 425131434121. The next prime is 425131434149. The reversal of 425131434131 is 131434131524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425131434131 is a prime.

It is a super-2 number, since 2×425131434131² (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 (425131434121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2541950 + ... + 2704028.

It is an arithmetic number, because the mean of its divisors is an integer number (55452754560).

Almost surely, 2^425131434131 is an apocalyptic number.

425131434131 is a deficient number, since it is larger than the sum of its proper divisors (18490602349).

425131434131 is a wasteful number, since it uses less digits than its factorization.

425131434131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276145.

The product of its digits is 17280, while the sum is 32.

Adding to 425131434131 its reverse (131434131524), we get a palindrome (556565565655).

The spelling of 425131434131 in words is "four hundred twenty-five billion, one hundred thirty-one million, four hundred thirty-four thousand, one hundred thirty-one".