131332222021 has 48 divisors (see below), whose sum is σ = 185273077248. Its totient is φ = 91417334400.

The previous prime is 131332221973. The next prime is 131332222027. The reversal of 131332222021 is 120222233131.

It is not a de Polignac number, because 131332222021 - 2⁹ = 131332221509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131332221983 and 131332222001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131332222027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85090 + ... + 519523.

It is an arithmetic number, because the mean of its divisors is an integer number (3859855776).

Almost surely, 2^131332222021 is an apocalyptic number.

131332222021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131332222021 is a deficient number, since it is larger than the sum of its proper divisors (53940855227).

131332222021 is a wasteful number, since it uses less digits than its factorization.

131332222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604682 (or 604675 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 131332222021 its reverse (120222233131), we get a palindrome (251554455152).

It can be divided in two parts, 131332 and 222021, that added together give a palindrome (353353).

The spelling of 131332222021 in words is "one hundred thirty-one billion, three hundred thirty-two million, two hundred twenty-two thousand, twenty-one".