131331012212078 has 96 divisors (see below), whose sum is σ = 243109628987328. Its totient is φ = 52871195059200.

The previous prime is 131331012212077. The next prime is 131331012212111. The reversal of 131331012212078 is 870212210133131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131331012212077) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3657106943 + ... + 3657142853.

It is an arithmetic number, because the mean of its divisors is an integer number (2532391968618).

Almost surely, 2^{131331012212078} is an apocalyptic number.

131331012212078 is a deficient number, since it is larger than the sum of its proper divisors (111778616775250).

131331012212078 is a wasteful number, since it uses less digits than its factorization.

131331012212078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40138 (or 40131 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 131331012212078 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, twelve million, two hundred twelve thousand, seventy-eight".