131039287453 has 2 divisors, whose sum is σ = 131039287454. Its totient is φ = 131039287452.

The previous prime is 131039287439. The next prime is 131039287471. The reversal of 131039287453 is 354782930131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115411037284 + 15628250169 = 339722^2 + 125013^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131039287453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131039087453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65519643726 + 65519643727.

It is an arithmetic number, because the mean of its divisors is an integer number (65519643727).

Almost surely, 2^131039287453 is an apocalyptic number.

It is an amenable number.

131039287453 is a deficient number, since it is larger than the sum of its proper divisors (1).

131039287453 is an equidigital number, since it uses as much as digits as its factorization.

131039287453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 131039287453 in words is "one hundred thirty-one billion, thirty-nine million, two hundred eighty-seven thousand, four hundred fifty-three".