2431220133 has 16 divisors (see below), whose sum is σ = 3550668480. Its totient is φ = 1472868096.

The previous prime is 2431220053. The next prime is 2431220177. The reversal of 2431220133 is 3310221342.

2431220133 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 2431220133 - 2⁹ = 2431219621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431220333) 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, 820435 + ... + 823392.

It is an arithmetic number, because the mean of its divisors is an integer number (221916780).

Almost surely, 2^2431220133 is an apocalyptic number.

It is an amenable number.

2431220133 is a deficient number, since it is larger than the sum of its proper divisors (1119448347).

2431220133 is a wasteful number, since it uses less digits than its factorization.

2431220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643876.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2431220133 is about 49307.4044439575. The cubic root of 2431220133 is about 1344.6464031813.

Adding to 2431220133 its reverse (3310221342), we get a palindrome (5741441475).

The spelling of 2431220133 in words is "two billion, four hundred thirty-one million, two hundred twenty thousand, one hundred thirty-three".