131101220032 has 28 divisors (see below), whose sum is σ = 262139908536. Its totient is φ = 65050219520.

The previous prime is 131101220027. The next prime is 131101220101. The reversal of 131101220032 is 230022101131.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 131101219988 and 131101220015.

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 3 ways as a sum of consecutive naturals, for example, 7810153 + ... + 7826920.

Almost surely, 2^131101220032 is an apocalyptic number.

It is an amenable number.

131101220032 is a deficient number, since it is larger than the sum of its proper divisors (131038688504).

131101220032 is a wasteful number, since it uses less digits than its factorization.

131101220032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15637216 (or 15637206 counting only the distinct ones).

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

Adding to 131101220032 its reverse (230022101131), we get a palindrome (361123321163).

The spelling of 131101220032 in words is "one hundred thirty-one billion, one hundred one million, two hundred twenty thousand, thirty-two".