2331400133 has 4 divisors (see below), whose sum is σ = 2332885728. Its totient is φ = 2329914540.

The previous prime is 2331400109. The next prime is 2331400151. The reversal of 2331400133 is 3310041332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2331400133 - 2¹⁸ = 2331137989 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 (2331400153) 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, 740441 + ... + 743582.

It is an arithmetic number, because the mean of its divisors is an integer number (583221432).

Almost surely, 2^2331400133 is an apocalyptic number.

It is an amenable number.

2331400133 is a deficient number, since it is larger than the sum of its proper divisors (1485595).

2331400133 is a wasteful number, since it uses less digits than its factorization.

2331400133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485594.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2331400133 is about 48284.5744829547. The cubic root of 2331400133 is about 1325.9860007228.

Adding to 2331400133 its reverse (3310041332), we get a palindrome (5641441465).

The spelling of 2331400133 in words is "two billion, three hundred thirty-one million, four hundred thousand, one hundred thirty-three".