131101232155532 has 24 divisors (see below), whose sum is σ = 230916168742896. Its totient is φ = 65125467859968.

The previous prime is 131101232155429. The next prime is 131101232155561. The reversal of 131101232155532 is 235551232101131.

It is a junction number, because it is equal to n+sod(n) for n = 131101232155492 and 131101232155501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33640973 + ... + 37335204.

It is an arithmetic number, because the mean of its divisors is an integer number (9621507030954).

Almost surely, 2^{131101232155532} is an apocalyptic number.

It is an amenable number.

131101232155532 is a deficient number, since it is larger than the sum of its proper divisors (99814936587364).

131101232155532 is a wasteful number, since it uses less digits than its factorization.

131101232155532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70979177 (or 70979175 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

Adding to 131101232155532 its reverse (235551232101131), we get a palindrome (366652464256663).

The spelling of 131101232155532 in words is "one hundred thirty-one trillion, one hundred one billion, two hundred thirty-two million, one hundred fifty-five thousand, five hundred thirty-two".