31112041 has 4 divisors (see below), whose sum is σ = 32184900. Its totient is φ = 30039184.

The previous prime is 31112033. The next prime is 31112051. The reversal of 31112041 is 14021113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14021113 = 37 ⋅378949.

It can be written as a sum of positive squares in 2 ways, for example, as 13505625 + 17606416 = 3675^2 + 4196^2 .

It is a cyclic number.

It is not a de Polignac number, because 31112041 - 2³ = 31112033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31112021) 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, 536386 + ... + 536443.

It is an arithmetic number, because the mean of its divisors is an integer number (8046225).

Almost surely, 2^31112041 is an apocalyptic number.

It is an amenable number.

31112041 is a deficient number, since it is larger than the sum of its proper divisors (1072859).

31112041 is a wasteful number, since it uses less digits than its factorization.

31112041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072858.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 31112041 is about 5577.8168668396. The cubic root of 31112041 is about 314.5160655122.

Adding to 31112041 its reverse (14021113), we get a palindrome (45133154).

The spelling of 31112041 in words is "thirty-one million, one hundred twelve thousand, forty-one".