131111313032 has 64 divisors (see below), whose sum is σ = 285352761600. Its totient is φ = 55313556480.

The previous prime is 131111313031. The next prime is 131111313101. The reversal of 131111313032 is 230313111131.

It is a junction number, because it is equal to n+sod(n) for n = 131111312995 and 131111313013.

It is not an unprimeable number, because it can be changed into a prime (131111313031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2099069 + ... + 2160627.

It is an arithmetic number, because the mean of its divisors is an integer number (4458636900).

Almost surely, 2^131111313032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131111313032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142676380800).

131111313032 is an abundant number, since it is smaller than the sum of its proper divisors (154241448568).

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

131111313032 is a wasteful number, since it uses less digits than its factorization.

131111313032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62166 (or 62162 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 131111313032 its reverse (230313111131), we get a palindrome (361424424163).

The spelling of 131111313032 in words is "one hundred thirty-one billion, one hundred eleven million, three hundred thirteen thousand, thirty-two".