2133601431 has 16 divisors (see below), whose sum is σ = 3093382656. Its totient is φ = 1300235616.

The previous prime is 2133601387. The next prime is 2133601471. The reversal of 2133601431 is 1341063312.

It is a happy number.

It is not a de Polignac number, because 2133601431 - 2⁶ = 2133601367 is a prime.

It is a super-2 number, since 2×2133601431² = 9104510132730495522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133601471) 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, 261555 + ... + 269588.

It is an arithmetic number, because the mean of its divisors is an integer number (193336416).

Almost surely, 2^2133601431 is an apocalyptic number.

2133601431 is a deficient number, since it is larger than the sum of its proper divisors (959781225).

2133601431 is a wasteful number, since it uses less digits than its factorization.

2133601431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531262.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 2133601431 is about 46190.9236863694. The cubic root of 2133601431 is about 1287.3731033510.

Adding to 2133601431 its reverse (1341063312), we get a palindrome (3474664743).

The spelling of 2133601431 in words is "two billion, one hundred thirty-three million, six hundred one thousand, four hundred thirty-one".