2132120431 has 16 divisors (see below), whose sum is σ = 2498626816. Its totient is φ = 1781657856.

The previous prime is 2132120429. The next prime is 2132120437. The reversal of 2132120431 is 1340212312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2132120431 - 2¹ = 2132120429 is a prime.

It is a super-2 number, since 2×2132120431² = 9091875064575251522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2132120399 and 2132120408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132120437) 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, 22060 + ... + 68926.

It is an arithmetic number, because the mean of its divisors is an integer number (156164176).

Almost surely, 2^2132120431 is an apocalyptic number.

2132120431 is a deficient number, since it is larger than the sum of its proper divisors (366506385).

2132120431 is an equidigital number, since it uses as much as digits as its factorization.

2132120431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47038.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2132120431 is about 46174.8896154609. The cubic root of 2132120431 is about 1287.0751656556.

Adding to 2132120431 its reverse (1340212312), we get a palindrome (3472332743).

The spelling of 2132120431 in words is "two billion, one hundred thirty-two million, one hundred twenty thousand, four hundred thirty-one".