131241440244004 has 24 divisors (see below), whose sum is σ = 232867912306680. Its totient is φ = 64708130882304.

The previous prime is 131241440243983. The next prime is 131241440244037. The reversal of 131241440244004 is 400442044142131.

It can be written as a sum of positive squares in 4 ways, for example, as 581726544100 + 130659713699904 = 762710^2 + 11430648^2 .

It is a super-2 number, since 2×131241440244004² (a number of 29 digits) contains 22 as substring.

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, 46099159 + ... + 48863230.

It is an arithmetic number, because the mean of its divisors is an integer number (9702829679445).

Almost surely, 2^{131241440244004} is an apocalyptic number.

It is an amenable number.

131241440244004 is a deficient number, since it is larger than the sum of its proper divisors (101626472062676).

131241440244004 is a wasteful number, since it uses less digits than its factorization.

131241440244004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94967199 (or 94967197 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 131241440244004 its reverse (400442044142131), we get a palindrome (531683484386135).

The spelling of 131241440244004 in words is "one hundred thirty-one trillion, two hundred forty-one billion, four hundred forty million, two hundred forty-four thousand, four".