131011332373 has 2 divisors, whose sum is σ = 131011332374. Its totient is φ = 131011332372.

The previous prime is 131011332307. The next prime is 131011332433. The reversal of 131011332373 is 373233110131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67679583409 + 63331748964 = 260153^2 + 251658^2 .

It is a cyclic number.

It is not a de Polignac number, because 131011332373 - 2²¹ = 131009235221 is a prime.

It is a super-2 number, since 2×131011332373² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131011312373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65505666186 + 65505666187.

It is an arithmetic number, because the mean of its divisors is an integer number (65505666187).

Almost surely, 2^131011332373 is an apocalyptic number.

It is an amenable number.

131011332373 is a deficient number, since it is larger than the sum of its proper divisors (1).

131011332373 is an equidigital number, since it uses as much as digits as its factorization.

131011332373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 28.

The spelling of 131011332373 in words is "one hundred thirty-one billion, eleven million, three hundred thirty-two thousand, three hundred seventy-three".