42882172531 has 16 divisors (see below), whose sum is σ = 49936262400. Its totient is φ = 36411832800.

The previous prime is 42882172511. The next prime is 42882172537. The reversal of 42882172531 is 13527128824.

It is a cyclic number.

It is not a de Polignac number, because 42882172531 - 2¹¹ = 42882170483 is a prime.

It is a super-2 number, since 2×42882172531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42882172537) 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, 1430076 + ... + 1459753.

It is an arithmetic number, because the mean of its divisors is an integer number (3121016400).

Almost surely, 2^42882172531 is an apocalyptic number.

42882172531 is a deficient number, since it is larger than the sum of its proper divisors (7054089869).

42882172531 is a wasteful number, since it uses less digits than its factorization.

42882172531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889930.

The product of its digits is 215040, while the sum is 43.

The spelling of 42882172531 in words is "forty-two billion, eight hundred eighty-two million, one hundred seventy-two thousand, five hundred thirty-one".