131533431010412 has 24 divisors (see below), whose sum is σ = 236406002192304. Its totient is φ = 63988878837312.

The previous prime is 131533431010381. The next prime is 131533431010447. The reversal of 131533431010412 is 214010134335131.

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, 25098218 + ... + 29882894.

It is an arithmetic number, because the mean of its divisors is an integer number (9850250091346).

Almost surely, 2^{131533431010412} is an apocalyptic number.

It is an amenable number.

131533431010412 is a deficient number, since it is larger than the sum of its proper divisors (104872571181892).

131533431010412 is a wasteful number, since it uses less digits than its factorization.

131533431010412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4970465 (or 4970463 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 131533431010412 its reverse (214010134335131), we get a palindrome (345543565345543).

The spelling of 131533431010412 in words is "one hundred thirty-one trillion, five hundred thirty-three billion, four hundred thirty-one million, ten thousand, four hundred twelve".