131620071046 has 16 divisors (see below), whose sum is σ = 198727802784. Its totient is φ = 65377928704.

The previous prime is 131620071019. The next prime is 131620071047. The reversal of 131620071046 is 640170026131.

It is a junction number, because it is equal to n+sod(n) for n = 131620070999 and 131620071017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131620071047) by changing a digit.

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, 465126 + ... + 692518.

It is an arithmetic number, because the mean of its divisors is an integer number (12420487674).

Almost surely, 2^131620071046 is an apocalyptic number.

131620071046 is a deficient number, since it is larger than the sum of its proper divisors (67107731738).

131620071046 is a wasteful number, since it uses less digits than its factorization.

131620071046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229295.

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 131620071046 its reverse (640170026131), we get a palindrome (771790097177).

The spelling of 131620071046 in words is "one hundred thirty-one billion, six hundred twenty million, seventy-one thousand, forty-six".