131020321010 has 16 divisors (see below), whose sum is σ = 235848545856. Its totient is φ = 52405468848.

The previous prime is 131020320989. The next prime is 131020321043. The reversal of 131020321010 is 10123020131.

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, 119012 + ... + 525551.

It is an arithmetic number, because the mean of its divisors is an integer number (14740534116).

Almost surely, 2^131020321010 is an apocalyptic number.

131020321010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131020321010 is a deficient number, since it is larger than the sum of its proper divisors (104828224846).

131020321010 is a wasteful number, since it uses less digits than its factorization.

131020321010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664897.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 131020321010 its reverse (10123020131), we get a palindrome (141143341141).

The spelling of 131020321010 in words is "one hundred thirty-one billion, twenty million, three hundred twenty-one thousand, ten".