131334450273 has 16 divisors (see below), whose sum is σ = 209536445440. Its totient is φ = 80821199952.

The previous prime is 131334450257. The next prime is 131334450311. The reversal of 131334450273 is 372054433131.

131334450273 is a `hidden beast` number, since 1 + 3 + 1 + 334 + 4 + 50 + 273 = 666.

It is not a de Polignac number, because 131334450273 - 2⁴ = 131334450257 is a prime.

It is a super-2 number, since 2×131334450273² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131334450073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187085761 + ... + 187086462.

It is an arithmetic number, because the mean of its divisors is an integer number (13096027840).

Almost surely, 2^131334450273 is an apocalyptic number.

131334450273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131334450273 is a deficient number, since it is larger than the sum of its proper divisors (78201995167).

131334450273 is a wasteful number, since it uses less digits than its factorization.

131334450273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374172245 (or 374172239 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The spelling of 131334450273 in words is "one hundred thirty-one billion, three hundred thirty-four million, four hundred fifty thousand, two hundred seventy-three".