131121132293 has 2 divisors, whose sum is σ = 131121132294. Its totient is φ = 131121132292.

The previous prime is 131121132287. The next prime is 131121132323. The reversal of 131121132293 is 392231121131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88314763684 + 42806368609 = 297178^2 + 206897^2 .

It is a cyclic number.

It is not a de Polignac number, because 131121132293 - 2⁶ = 131121132229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131121132283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65560566146 + 65560566147.

It is an arithmetic number, because the mean of its divisors is an integer number (65560566147).

Almost surely, 2^131121132293 is an apocalyptic number.

It is an amenable number.

131121132293 is a deficient number, since it is larger than the sum of its proper divisors (1).

131121132293 is an equidigital number, since it uses as much as digits as its factorization.

131121132293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 29.

The spelling of 131121132293 in words is "one hundred thirty-one billion, one hundred twenty-one million, one hundred thirty-two thousand, two hundred ninety-three".