131001033424240 has 40 divisors (see below), whose sum is σ = 348088460243040. Its totient is φ = 44914640030976.

The previous prime is 131001033424231. The next prime is 131001033424273. The reversal of 131001033424240 is 42424330100131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×131001033424240² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 131001033424199 and 131001033424208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116965207855 + ... + 116965208974.

It is an arithmetic number, because the mean of its divisors is an integer number (8702211506076).

Almost surely, 2^{131001033424240} is an apocalyptic number.

131001033424240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131001033424240 is an abundant number, since it is smaller than the sum of its proper divisors (217087426818800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131001033424240 is a wasteful number, since it uses less digits than its factorization.

131001033424240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233930416849 (or 233930416843 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 131001033424240 its reverse (42424330100131), we get a palindrome (173425363524371).

The spelling of 131001033424240 in words is "one hundred thirty-one trillion, one billion, thirty-three million, four hundred twenty-four thousand, two hundred forty".