131100011231 has 8 divisors (see below), whose sum is σ = 151008337920. Its totient is φ = 111486622968.

The previous prime is 131100011129. The next prime is 131100011233. The reversal of 131100011231 is 132110001131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-131100011231 is a prime.

It is a super-2 number, since 2×131100011231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131100011233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73733651 + ... + 73735428.

It is an arithmetic number, because the mean of its divisors is an integer number (18876042240).

Almost surely, 2^131100011231 is an apocalyptic number.

131100011231 is a deficient number, since it is larger than the sum of its proper divisors (19908326689).

131100011231 is a wasteful number, since it uses less digits than its factorization.

131100011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147469213.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 131100011231 its reverse (132110001131), we get a palindrome (263210012362).

It can be divided in two parts, 1311000 and 11231, that added together give a palindrome (1322231).

The spelling of 131100011231 in words is "one hundred thirty-one billion, one hundred million, eleven thousand, two hundred thirty-one".