2312491405 has 16 divisors (see below), whose sum is σ = 3173779584. Its totient is φ = 1584527040.

The previous prime is 2312491403. The next prime is 2312491411. The reversal of 2312491405 is 5041942132.

2312491405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2312491405 - 2¹ = 2312491403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312491403) 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, 24414 + ... + 72256.

It is an arithmetic number, because the mean of its divisors is an integer number (198361224).

Almost surely, 2^2312491405 is an apocalyptic number.

It is an amenable number.

2312491405 is a deficient number, since it is larger than the sum of its proper divisors (861288179).

2312491405 is a wasteful number, since it uses less digits than its factorization.

2312491405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49236.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2312491405 is about 48088.3707875407. The cubic root of 2312491405 is about 1322.3914798337.

The spelling of 2312491405 in words is "two billion, three hundred twelve million, four hundred ninety-one thousand, four hundred five".