131404313315452 has 12 divisors (see below), whose sum is σ = 230090241648456. Its totient is φ = 65664244273040.

The previous prime is 131404313315389. The next prime is 131404313315461. The reversal of 131404313315452 is 254513313404131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9478088374 + ... + 9478102237.

It is an arithmetic number, because the mean of its divisors is an integer number (19174186804038).

Almost surely, 2^{131404313315452} is an apocalyptic number.

It is an amenable number.

131404313315452 is a deficient number, since it is larger than the sum of its proper divisors (98685928333004).

131404313315452 is a wasteful number, since it uses less digits than its factorization.

131404313315452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18956192348 (or 18956192346 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 131404313315452 its reverse (254513313404131), we get a palindrome (385917626719583).

The spelling of 131404313315452 in words is "one hundred thirty-one trillion, four hundred four billion, three hundred thirteen million, three hundred fifteen thousand, four hundred fifty-two".