132021431 has 2 divisors, whose sum is σ = 132021432. Its totient is φ = 132021430.

The previous prime is 132021401. The next prime is 132021497. The reversal of 132021431 is 134120231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 132021431 - 2¹⁴ = 132005047 is a prime.

It is a super-2 number, since 2×132021431² = 34859316486575522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132021401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66010715 + 66010716.

It is an arithmetic number, because the mean of its divisors is an integer number (66010716).

Almost surely, 2^132021431 is an apocalyptic number.

132021431 is a deficient number, since it is larger than the sum of its proper divisors (1).

132021431 is an equidigital number, since it uses as much as digits as its factorization.

132021431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 132021431 is about 11490.0579197844. The cubic root of 132021431 is about 509.1918907801.

Adding to 132021431 its reverse (134120231), we get a palindrome (266141662).

The spelling of 132021431 in words is "one hundred thirty-two million, twenty-one thousand, four hundred thirty-one".