131818702346 has 16 divisors (see below), whose sum is σ = 201515640480. Its totient is φ = 64651669680.

The previous prime is 131818702343. The next prime is 131818702369. The reversal of 131818702346 is 643207818131.

It is a super-3 number, since 3×131818702346³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131818702297 and 131818702306.

It is not an unprimeable number, because it can be changed into a prime (131818702343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157216 + ... + 1266011.

It is an arithmetic number, because the mean of its divisors is an integer number (12594727530).

Almost surely, 2^131818702346 is an apocalyptic number.

131818702346 is a deficient number, since it is larger than the sum of its proper divisors (69696938134).

131818702346 is a wasteful number, since it uses less digits than its factorization.

131818702346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423749.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 131818702346 in words is "one hundred thirty-one billion, eight hundred eighteen million, seven hundred two thousand, three hundred forty-six".