131330354546 has 4 divisors (see below), whose sum is σ = 196995531822. Its totient is φ = 65665177272.

The previous prime is 131330354543. The next prime is 131330354549. The reversal of 131330354546 is 645453033131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 645453033131 = 632251 ⋅1020881.

It is an interprime number because it is at equal distance from previous prime (131330354543) and next prime (131330354549).

It can be written as a sum of positive squares in only one way, i.e., 120433291225 + 10897063321 = 347035^2 + 104389^2 .

It is a super-2 number, since 2×131330354546² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131330354543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32832588635 + ... + 32832588638.

Almost surely, 2^131330354546 is an apocalyptic number.

131330354546 is a deficient number, since it is larger than the sum of its proper divisors (65665177276).

131330354546 is an equidigital number, since it uses as much as digits as its factorization.

131330354546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65665177275.

The product of its (nonzero) digits is 194400, while the sum is 38.

Adding to 131330354546 its reverse (645453033131), we get a palindrome (776783387677).

The spelling of 131330354546 in words is "one hundred thirty-one billion, three hundred thirty million, three hundred fifty-four thousand, five hundred forty-six".