131042401222340 has 24 divisors (see below), whose sum is σ = 281044128580992. Its totient is φ = 51301706010080.

The previous prime is 131042401222309. The next prime is 131042401222373. The reversal of 131042401222340 is 43222104240131.

It is a super-2 number, since 2×131042401222340² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69703403966 + ... + 69703405845.

It is an arithmetic number, because the mean of its divisors is an integer number (11710172024208).

Almost surely, 2^{131042401222340} is an apocalyptic number.

131042401222340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131042401222340 is an abundant number, since it is smaller than the sum of its proper divisors (150001727358652).

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

131042401222340 is a wasteful number, since it uses less digits than its factorization.

131042401222340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139406809867 (or 139406809865 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 131042401222340 its reverse (43222104240131), we get a palindrome (174264505462471).

The spelling of 131042401222340 in words is "one hundred thirty-one trillion, forty-two billion, four hundred one million, two hundred twenty-two thousand, three hundred forty".