113411031 has 16 divisors (see below), whose sum is σ = 155609088. Its totient is φ = 73418400.

The previous prime is 113411021. The next prime is 113411041. The reversal of 113411031 is 130114311.

It is an interprime number because it is at equal distance from previous prime (113411021) and next prime (113411041).

It is not a de Polignac number, because 113411031 - 2¹¹ = 113408983 is a prime.

It is a super-2 number, since 2×113411031² = 25724123904965922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113411031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113411021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109486 + ... + 110516.

It is an arithmetic number, because the mean of its divisors is an integer number (9725568).

Almost surely, 2^113411031 is an apocalyptic number.

113411031 is a deficient number, since it is larger than the sum of its proper divisors (42198057).

113411031 is a wasteful number, since it uses less digits than its factorization.

113411031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 113411031 is about 10649.4615356834. The cubic root of 113411031 is about 484.0442879470.

Adding to 113411031 its reverse (130114311), we get a palindrome (243525342).

The spelling of 113411031 in words is "one hundred thirteen million, four hundred eleven thousand, thirty-one".