425131531340 has 48 divisors (see below), whose sum is σ = 914739134400. Its totient is φ = 165870904320.

The previous prime is 425131531259. The next prime is 425131531343. The reversal of 425131531340 is 43135131524.

It is a junction number, because it is equal to n+sod(n) for n = 425131531297 and 425131531306.

It is not an unprimeable number, because it can be changed into a prime (425131531343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4141961 + ... + 4243359.

It is an arithmetic number, because the mean of its divisors is an integer number (19057065300).

Almost surely, 2^425131531340 is an apocalyptic number.

It is an amenable number.

425131531340 is an abundant number, since it is smaller than the sum of its proper divisors (489607603060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425131531340 is a wasteful number, since it uses less digits than its factorization.

425131531340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106562 (or 106560 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 425131531340 its reverse (43135131524), we get a palindrome (468266662864).

The spelling of 425131531340 in words is "four hundred twenty-five billion, one hundred thirty-one million, five hundred thirty-one thousand, three hundred forty".