131021424024398 has 32 divisors (see below), whose sum is σ = 197531653803840. Its totient is φ = 65178289647360.

The previous prime is 131021424024391. The next prime is 131021424024409. The reversal of 131021424024398 is 893420424120131.

It is a happy number.

It is a super-2 number, since 2×131021424024398² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131021424024391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1371028538 + ... + 1371124098.

It is an arithmetic number, because the mean of its divisors is an integer number (6172864181370).

Almost surely, 2^{131021424024398} is an apocalyptic number.

131021424024398 is a deficient number, since it is larger than the sum of its proper divisors (66510229779442).

131021424024398 is a wasteful number, since it uses less digits than its factorization.

131021424024398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99452.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 131021424024398 in words is "one hundred thirty-one trillion, twenty-one billion, four hundred twenty-four million, twenty-four thousand, three hundred ninety-eight".