131120312102 has 64 divisors (see below), whose sum is σ = 224010124800. Its totient is φ = 57062154240.

The previous prime is 131120312101. The next prime is 131120312131. The reversal of 131120312102 is 201213021131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131120312101) 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 31 ways as a sum of consecutive naturals, for example, 170507174 + ... + 170507942.

It is an arithmetic number, because the mean of its divisors is an integer number (3500158200).

Almost surely, 2^131120312102 is an apocalyptic number.

131120312102 is a deficient number, since it is larger than the sum of its proper divisors (92889812698).

131120312102 is a wasteful number, since it uses less digits than its factorization.

131120312102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 131120312102 its reverse (201213021131), we get a palindrome (332333333233).

The spelling of 131120312102 in words is "one hundred thirty-one billion, one hundred twenty million, three hundred twelve thousand, one hundred two".