132643031 has 4 divisors (see below), whose sum is σ = 132673752. Its totient is φ = 132612312.

The previous prime is 132642967. The next prime is 132643057. The reversal of 132643031 is 130346231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 132643031 - 2⁶ = 132642967 is a prime.

It is a super-2 number, since 2×132643031² = 35188347345733922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132642988 and 132643006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132642031) 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, 7565 + ... + 17958.

It is an arithmetic number, because the mean of its divisors is an integer number (33168438).

Almost surely, 2^132643031 is an apocalyptic number.

132643031 is a deficient number, since it is larger than the sum of its proper divisors (30721).

132643031 is an equidigital number, since it uses as much as digits as its factorization.

132643031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30720.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 132643031 is about 11517.0756270852. The cubic root of 132643031 is about 509.9897870568.

Adding to 132643031 its reverse (130346231), we get a palindrome (262989262).

The spelling of 132643031 in words is "one hundred thirty-two million, six hundred forty-three thousand, thirty-one".