115201031 has 4 divisors (see below), whose sum is σ = 125673864. Its totient is φ = 104728200.

The previous prime is 115201019. The next prime is 115201057. The reversal of 115201031 is 130102511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115201031 - 2¹⁴ = 115184647 is a prime.

It is a super-2 number, since 2×115201031² = 26542555086925922, 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 = 115200997 and 115201015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115201631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5236400 + ... + 5236421.

It is an arithmetic number, because the mean of its divisors is an integer number (31418466).

Almost surely, 2^115201031 is an apocalyptic number.

115201031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115201031 is a deficient number, since it is larger than the sum of its proper divisors (10472833).

115201031 is a wasteful number, since it uses less digits than its factorization.

115201031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10472832.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 115201031 is about 10733.1743207683. The cubic root of 115201031 is about 486.5776112041.

Adding to 115201031 its reverse (130102511), we get a palindrome (245303542).

The spelling of 115201031 in words is "one hundred fifteen million, two hundred one thousand, thirty-one".