131000042023021 has 8 divisors (see below), whose sum is σ = 131014086225984. Its totient is φ = 130985998349760.

The previous prime is 131000042022959. The next prime is 131000042023027. The reversal of 131000042023021 is 120320240000131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131000042023021 - 2³¹ = 130997894539373 is a prime.

It is a super-2 number, since 2×131000042023021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131000042023021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131000042023027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665190450 + ... + 665387356.

It is an arithmetic number, because the mean of its divisors is an integer number (16376760778248).

Almost surely, 2^{131000042023021} is an apocalyptic number.

It is an amenable number.

131000042023021 is a deficient number, since it is larger than the sum of its proper divisors (14044202963).

131000042023021 is a wasteful number, since it uses less digits than its factorization.

131000042023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264851.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 131000042023021 its reverse (120320240000131), we get a palindrome (251320282023152).

The spelling of 131000042023021 in words is "one hundred thirty-one trillion, forty-two million, twenty-three thousand, twenty-one".