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115041031 = 731530143
BaseRepresentation
bin1101101101101…
…10001100000111
322000110200121221
412312312030013
5213422303111
615225421211
72564555410
oct666661407
9260420557
10115041031
1159a35036
123263a807
131aaaba21
14113c8807
15a176371
hex6db6307

115041031 has 8 divisors (see below), whose sum is σ = 135716864. Its totient is φ = 95425560.

The previous prime is 115041013. The next prime is 115041037. The reversal of 115041031 is 130140511.

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

It is a cyclic number.

It is not a de Polignac number, because 115041031 - 27 = 115040903 is a prime.

It is a super-2 number, since 2×1150410312 = 26468877627085922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115040996 and 115041014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115041037) 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, 264855 + ... + 265288.

It is an arithmetic number, because the mean of its divisors is an integer number (16964608).

Almost surely, 2115041031 is an apocalyptic number.

115041031 is a deficient number, since it is larger than the sum of its proper divisors (20675833).

115041031 is an equidigital number, since it uses as much as digits as its factorization.

115041031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530181.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 115041031 is about 10725.7182043908. The cubic root of 115041031 is about 486.3522414384.

Adding to 115041031 its reverse (130140511), we get a palindrome (245181542).

The spelling of 115041031 in words is "one hundred fifteen million, forty-one thousand, thirty-one".

Divisors: 1 7 31 217 530143 3711001 16434433 115041031