115154231333031 has 40 divisors (see below), whose sum is σ = 187951507645968. Its totient is φ = 69681565440000.

The previous prime is 115154231332957. The next prime is 115154231333041. The reversal of 115154231333031 is 130333132451511.

115154231333031 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 5 + 4 + 2 + 313 + 330 + 3 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-115154231333031 is a prime.

It is a super-2 number, since 2×115154231333031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115154231333041) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 100241320 + ... + 101383581.

Almost surely, 2^{115154231333031} is an apocalyptic number.

115154231333031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115154231333031 is a deficient number, since it is larger than the sum of its proper divisors (72797276312937).

115154231333031 is a wasteful number, since it uses less digits than its factorization.

115154231333031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201625565 (or 201625556 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

Adding to 115154231333031 its reverse (130333132451511), we get a palindrome (245487363784542).

The spelling of 115154231333031 in words is "one hundred fifteen trillion, one hundred fifty-four billion, two hundred thirty-one million, three hundred thirty-three thousand, thirty-one".