132131231220101 has 4 divisors (see below), whose sum is σ = 132861238022604. Its totient is φ = 131401224417600.

The previous prime is 132131231220097. The next prime is 132131231220103. The reversal of 132131231220101 is 101022132131231.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13302177256225 + 118829053963876 = 3647215^2 + 10900874^2 .

It is a cyclic number.

It is not a de Polignac number, because 132131231220101 - 2² = 132131231220097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132131231220103) 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, 365003400980 + ... + 365003401341.

It is an arithmetic number, because the mean of its divisors is an integer number (33215309505651).

Almost surely, 2^{132131231220101} is an apocalyptic number.

It is an amenable number.

132131231220101 is a deficient number, since it is larger than the sum of its proper divisors (730006802503).

132131231220101 is an equidigital number, since it uses as much as digits as its factorization.

132131231220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730006802502.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 132131231220101 its reverse (101022132131231), we get a palindrome (233153363351332).

The spelling of 132131231220101 in words is "one hundred thirty-two trillion, one hundred thirty-one billion, two hundred thirty-one million, two hundred twenty thousand, one hundred one".