2312113303240 has 64 divisors (see below), whose sum is σ = 5665377135600. Its totient is φ = 844111183872.

The previous prime is 2312113303183. The next prime is 2312113303309. The reversal of 2312113303240 is 423033112132.

It can be written as a sum of positive squares in 8 ways, for example, as 768073454404 + 1544039848836 = 876398^2 + 1242594^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24933337 + ... + 25025896.

Almost surely, 2^{2312113303240} is an apocalyptic number.

2312113303240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312113303240 is an abundant number, since it is smaller than the sum of its proper divisors (3353263832360).

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

2312113303240 is a wasteful number, since it uses less digits than its factorization.

2312113303240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49959346 (or 49959342 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2312113303240 its reverse (423033112132), we get a palindrome (2735146415372).

The spelling of 2312113303240 in words is "two trillion, three hundred twelve billion, one hundred thirteen million, three hundred three thousand, two hundred forty".