31413241 has 4 divisors (see below), whose sum is σ = 31437684. Its totient is φ = 31388800.

The previous prime is 31413233. The next prime is 31413253. The reversal of 31413241 is 14231413.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9985600 + 21427641 = 3160^2 + 4629^2 .

It is a cyclic number.

It is not a de Polignac number, because 31413241 - 2³ = 31413233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31413211) 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, 10180 + ... + 12901.

It is an arithmetic number, because the mean of its divisors is an integer number (7859421).

Almost surely, 2^31413241 is an apocalyptic number.

It is an amenable number.

31413241 is a deficient number, since it is larger than the sum of its proper divisors (24443).

31413241 is a wasteful number, since it uses less digits than its factorization.

31413241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24442.

The product of its digits is 288, while the sum is 19.

The square root of 31413241 is about 5604.7516448100. The cubic root of 31413241 is about 315.5277656368.

Adding to 31413241 its reverse (14231413), we get a palindrome (45644654).

The spelling of 31413241 in words is "thirty-one million, four hundred thirteen thousand, two hundred forty-one".