2400012134231 has 4 divisors (see below), whose sum is σ = 2400015307752. Its totient is φ = 2400008960712.

The previous prime is 2400012134213. The next prime is 2400012134263. The reversal of 2400012134231 is 1324312100042.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2400012134231 is a prime.

It is a super-2 number, since 2×2400012134231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2400012134197 and 2400012134206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400012134281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278561 + ... + 2208533.

It is an arithmetic number, because the mean of its divisors is an integer number (600003826938).

Almost surely, 2^{2400012134231} is an apocalyptic number.

2400012134231 is a deficient number, since it is larger than the sum of its proper divisors (3173521).

2400012134231 is a wasteful number, since it uses less digits than its factorization.

2400012134231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173520.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2400012134231 its reverse (1324312100042), we get a palindrome (3724324234273).

The spelling of 2400012134231 in words is "two trillion, four hundred billion, twelve million, one hundred thirty-four thousand, two hundred thirty-one".