131412321231437 has 2 divisors, whose sum is σ = 131412321231438. Its totient is φ = 131412321231436.

The previous prime is 131412321231383. The next prime is 131412321231481. The reversal of 131412321231437 is 734132123214131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111925164321961 + 19487156909476 = 10579469^2 + 4414426^2 .

It is a cyclic number.

It is not a de Polignac number, because 131412321231437 - 2¹⁶ = 131412321165901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131412321231437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131412321231337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65706160615718 + 65706160615719.

It is an arithmetic number, because the mean of its divisors is an integer number (65706160615719).

Almost surely, 2^{131412321231437} is an apocalyptic number.

It is an amenable number.

131412321231437 is a deficient number, since it is larger than the sum of its proper divisors (1).

131412321231437 is an equidigital number, since it uses as much as digits as its factorization.

131412321231437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

Adding to 131412321231437 its reverse (734132123214131), we get a palindrome (865544444445568).

The spelling of 131412321231437 in words is "one hundred thirty-one trillion, four hundred twelve billion, three hundred twenty-one million, two hundred thirty-one thousand, four hundred thirty-seven".