131731310162 has 16 divisors (see below), whose sum is σ = 203983536384. Its totient is φ = 63737058000.

The previous prime is 131731310147. The next prime is 131731310171. The reversal of 131731310162 is 261013137131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1133837 + ... + 1244607.

It is an arithmetic number, because the mean of its divisors is an integer number (12748971024).

Almost surely, 2^131731310162 is an apocalyptic number.

131731310162 is a deficient number, since it is larger than the sum of its proper divisors (72252226222).

131731310162 is a wasteful number, since it uses less digits than its factorization.

131731310162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129985.

The product of its (nonzero) digits is 2268, while the sum is 29.

Adding to 131731310162 its reverse (261013137131), we get a palindrome (392744447293).

The spelling of 131731310162 in words is "one hundred thirty-one billion, seven hundred thirty-one million, three hundred ten thousand, one hundred sixty-two".