2312400133 has 2 divisors, whose sum is σ = 2312400134. Its totient is φ = 2312400132.

The previous prime is 2312400131. The next prime is 2312400191. The reversal of 2312400133 is 3310042132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1400480929 + 911919204 = 37423^2 + 30198^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312400133 - 2¹ = 2312400131 is a prime.

Together with 2312400131, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2312400133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312400131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156200066 + 1156200067.

It is an arithmetic number, because the mean of its divisors is an integer number (1156200067).

Almost surely, 2^2312400133 is an apocalyptic number.

It is an amenable number.

2312400133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312400133 is an equidigital number, since it uses as much as digits as its factorization.

2312400133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2312400133 is about 48087.4217753458. The cubic root of 2312400133 is about 1322.3740817289.

Adding to 2312400133 its reverse (3310042132), we get a palindrome (5622442265).

The spelling of 2312400133 in words is "two billion, three hundred twelve million, four hundred thousand, one hundred thirty-three".