243470540131 has 16 divisors (see below), whose sum is σ = 300297763584. Its totient is φ = 192223501344.

The previous prime is 243470540123. The next prime is 243470540189. The reversal of 243470540131 is 131045074342.

It is not a de Polignac number, because 243470540131 - 2³ = 243470540123 is a prime.

It is a super-2 number, since 2×243470540131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243470540101) 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, 2822065 + ... + 2907058.

It is an arithmetic number, because the mean of its divisors is an integer number (18768610224).

Almost surely, 2^243470540131 is an apocalyptic number.

243470540131 is a deficient number, since it is larger than the sum of its proper divisors (56827223453).

243470540131 is a wasteful number, since it uses less digits than its factorization.

243470540131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5729610.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 243470540131 in words is "two hundred forty-three billion, four hundred seventy million, five hundred forty thousand, one hundred thirty-one".