113485727209031 has 2 divisors, whose sum is σ = 113485727209032. Its totient is φ = 113485727209030.

The previous prime is 113485727209009. The next prime is 113485727209081. The reversal of 113485727209031 is 130902727584311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113485727209031 is a prime.

It is a super-2 number, since 2×113485727209031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113485727209081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56742863604515 + 56742863604516.

It is an arithmetic number, because the mean of its divisors is an integer number (56742863604516).

Almost surely, 2^{113485727209031} is an apocalyptic number.

113485727209031 is a deficient number, since it is larger than the sum of its proper divisors (1).

113485727209031 is an equidigital number, since it uses as much as digits as its factorization.

113485727209031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 113485727209031 in words is "one hundred thirteen trillion, four hundred eighty-five billion, seven hundred twenty-seven million, two hundred nine thousand, thirty-one".