131301023021 has 16 divisors (see below), whose sum is σ = 159199887360. Its totient is φ = 105780835440.

The previous prime is 131301023003. The next prime is 131301023053. The reversal of 131301023021 is 120320103131.

It is not a de Polignac number, because 131301023021 - 2¹⁰ = 131301021997 is a prime.

It is a super-2 number, since 2×131301023021² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131301029021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3869825 + ... + 3903606.

It is an arithmetic number, because the mean of its divisors is an integer number (9949992960).

Almost surely, 2^131301023021 is an apocalyptic number.

It is an amenable number.

131301023021 is a deficient number, since it is larger than the sum of its proper divisors (27898864339).

131301023021 is a wasteful number, since it uses less digits than its factorization.

131301023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7773584.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 131301023021 its reverse (120320103131), we get a palindrome (251621126152).

The spelling of 131301023021 in words is "one hundred thirty-one billion, three hundred one million, twenty-three thousand, twenty-one".