131332023021 has 32 divisors (see below), whose sum is σ = 181642930560. Its totient is φ = 84304813824.

The previous prime is 131332023007. The next prime is 131332023029. The reversal of 131332023021 is 120320233131.

It is not a de Polignac number, because 131332023021 - 2²² = 131327828717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131332023029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75174870 + ... + 75176616.

It is an arithmetic number, because the mean of its divisors is an integer number (5676341580).

Almost surely, 2^131332023021 is an apocalyptic number.

It is an amenable number.

131332023021 is a deficient number, since it is larger than the sum of its proper divisors (50310907539).

131332023021 is a wasteful number, since it uses less digits than its factorization.

131332023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131332023021 its reverse (120320233131), we get a palindrome (251652256152).

The spelling of 131332023021 in words is "one hundred thirty-one billion, three hundred thirty-two million, twenty-three thousand, twenty-one".