131411240452 has 6 divisors (see below), whose sum is σ = 229969670798. Its totient is φ = 65705620224.

The previous prime is 131411240423. The next prime is 131411240483. The reversal of 131411240452 is 254042114131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 88551475776 + 42859764676 = 297576^2 + 207026^2 .

It is a super-2 number, since 2×131411240452² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131411240452.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16426405053 + ... + 16426405060.

Almost surely, 2^131411240452 is an apocalyptic number.

It is an amenable number.

131411240452 is a deficient number, since it is larger than the sum of its proper divisors (98558430346).

131411240452 is a wasteful number, since it uses less digits than its factorization.

131411240452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32852810117 (or 32852810115 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 131411240452 its reverse (254042114131), we get a palindrome (385453354583).

The spelling of 131411240452 in words is "one hundred thirty-one billion, four hundred eleven million, two hundred forty thousand, four hundred fifty-two".