131402435412 has 24 divisors (see below), whose sum is σ = 309641385312. Its totient is φ = 43367140000.

The previous prime is 131402435383. The next prime is 131402435419. The reversal of 131402435412 is 214534204131.

It is a self number, because there is not a number n which added to its sum of digits gives 131402435412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131402435419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54207714 + ... + 54210137.

It is an arithmetic number, because the mean of its divisors is an integer number (12901724388).

Almost surely, 2^131402435412 is an apocalyptic number.

131402435412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131402435412 is an abundant number, since it is smaller than the sum of its proper divisors (178238949900).

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

131402435412 is a wasteful number, since it uses less digits than its factorization.

131402435412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108417959 (or 108417957 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 131402435412 its reverse (214534204131), we get a palindrome (345936639543).

The spelling of 131402435412 in words is "one hundred thirty-one billion, four hundred two million, four hundred thirty-five thousand, four hundred twelve".