2731231470 has 64 divisors (see below), whose sum is σ = 7214241024. Its totient is φ = 656248320.

The previous prime is 2731231469. The next prime is 2731231501. The reversal of 2731231470 is 741321372.

2731231470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 669 + ... + 73911.

It is an arithmetic number, because the mean of its divisors is an integer number (112722516).

Almost surely, 2^2731231470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2731231470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3607120512).

2731231470 is an abundant number, since it is smaller than the sum of its proper divisors (4483009554).

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

2731231470 is a wasteful number, since it uses less digits than its factorization.

2731231470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73377.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 2731231470 is about 52261.1851185945. The cubic root of 2731231470 is about 1397.8251043485.

The spelling of 2731231470 in words is "two billion, seven hundred thirty-one million, two hundred thirty-one thousand, four hundred seventy".