131101302231 has 12 divisors (see below), whose sum is σ = 191207078608. Its totient is φ = 86552315424.

The previous prime is 131101302221. The next prime is 131101302239. The reversal of 131101302231 is 132203101131.

131101302231 is a `hidden beast` number, since 1 + 31 + 101 + 302 + 231 = 666.

It is not a de Polignac number, because 131101302231 - 2⁷ = 131101302103 is a prime.

It is a super-2 number, since 2×131101302231² (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 (131101302239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70711750 + ... + 70713603.

Almost surely, 2^131101302231 is an apocalyptic number.

131101302231 is a deficient number, since it is larger than the sum of its proper divisors (60105776377).

131101302231 is a wasteful number, since it uses less digits than its factorization.

131101302231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141425462 (or 141425459 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 131101302231 its reverse (132203101131), we get a palindrome (263304403362).

The spelling of 131101302231 in words is "one hundred thirty-one billion, one hundred one million, three hundred two thousand, two hundred thirty-one".