2312771472 has 120 divisors (see below), whose sum is σ = 7074526368. Its totient is φ = 699494400.

The previous prime is 2312771467. The next prime is 2312771521. The reversal of 2312771472 is 2741772132.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1093488 + ... + 1095600.

Almost surely, 2^2312771472 is an apocalyptic number.

2312771472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312771472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3537263184).

2312771472 is an abundant number, since it is smaller than the sum of its proper divisors (4761754896).

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

2312771472 is a wasteful number, since it uses less digits than its factorization.

2312771472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829 (or 2820 counting only the distinct ones).

The product of its digits is 32928, while the sum is 36.

The square root of 2312771472 is about 48091.2827027934. The cubic root of 2312771472 is about 1322.4448628449. Note that the first 3 decimals are identical.

The spelling of 2312771472 in words is "two billion, three hundred twelve million, seven hundred seventy-one thousand, four hundred seventy-two".