131102132020 has 24 divisors (see below), whose sum is σ = 275321491200. Its totient is φ = 52439516832.

The previous prime is 131102131991. The next prime is 131102132071. The reversal of 131102132020 is 20231201131.

It is a junction number, because it is equal to n+sod(n) for n = 131102131985 and 131102132003.

It is a congruent number.

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, 1209621 + ... + 1313539.

It is an arithmetic number, because the mean of its divisors is an integer number (11471728800).

Almost surely, 2^131102132020 is an apocalyptic number.

131102132020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131102132020 is an abundant number, since it is smaller than the sum of its proper divisors (144219359180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131102132020 is a wasteful number, since it uses less digits than its factorization.

131102132020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167007 (or 167005 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131102132020 its reverse (20231201131), we get a palindrome (151333333151).

The spelling of 131102132020 in words is "one hundred thirty-one billion, one hundred two million, one hundred thirty-two thousand, twenty".