2312548131709 has 8 divisors (see below), whose sum is σ = 2377313580600. Its totient is φ = 2247901848576.

The previous prime is 2312548131679. The next prime is 2312548131721. The reversal of 2312548131709 is 9071318452132.

It can be written as a sum of positive squares in 4 ways, for example, as 1452482936100 + 860065195609 = 1205190^2 + 927397^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2312548131709 - 2³⁷ = 2175109178237 is a prime.

It is a super-2 number, since 2×2312548131709² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312548131769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29752084 + ... + 29829709.

It is an arithmetic number, because the mean of its divisors is an integer number (297164197575).

Almost surely, 2^{2312548131709} is an apocalyptic number.

It is an amenable number.

2312548131709 is a deficient number, since it is larger than the sum of its proper divisors (64765448891).

2312548131709 is a wasteful number, since it uses less digits than its factorization.

2312548131709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59582879.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 2312548131709 in words is "two trillion, three hundred twelve billion, five hundred forty-eight million, one hundred thirty-one thousand, seven hundred nine".