131424212233021 has 8 divisors (see below), whose sum is σ = 133392139270560. Its totient is φ = 129456472596528.

The previous prime is 131424212233001. The next prime is 131424212233043. The reversal of 131424212233021 is 120332212424131.

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 131424212233021 - 2¹³ = 131424212224829 is a prime.

It is a super-2 number, since 2×131424212233021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131424212233001) 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, 45436846 + ... + 48242671.

It is an arithmetic number, because the mean of its divisors is an integer number (16674017408820).

Almost surely, 2^{131424212233021} is an apocalyptic number.

It is an amenable number.

131424212233021 is a deficient number, since it is larger than the sum of its proper divisors (1967927037539).

131424212233021 is an equidigital number, since it uses as much as digits as its factorization.

131424212233021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93700523.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 131424212233021 its reverse (120332212424131), we get a palindrome (251756424657152).

The spelling of 131424212233021 in words is "one hundred thirty-one trillion, four hundred twenty-four billion, two hundred twelve million, two hundred thirty-three thousand, twenty-one".