131111501432 has 64 divisors (see below), whose sum is σ = 255191040000. Its totient is φ = 63085155840.

The previous prime is 131111501431. The next prime is 131111501491. The reversal of 131111501432 is 234105111131.

It is a junction number, because it is equal to n+sod(n) for n = 131111501398 and 131111501407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131111501431) 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, 61582544 + ... + 61584672.

It is an arithmetic number, because the mean of its divisors is an integer number (3987360000).

Almost surely, 2^131111501432 is an apocalyptic number.

It is an amenable number.

131111501432 is a deficient number, since it is larger than the sum of its proper divisors (124079538568).

131111501432 is a wasteful number, since it uses less digits than its factorization.

131111501432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444 (or 3440 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 131111501432 its reverse (234105111131), we get a palindrome (365216612563).

The spelling of 131111501432 in words is "one hundred thirty-one billion, one hundred eleven million, five hundred one thousand, four hundred thirty-two".