31125341 has 4 divisors (see below), whose sum is σ = 33519612. Its totient is φ = 28731072.

The previous prime is 31125331. The next prime is 31125349. The reversal of 31125341 is 14352113.

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 4644025 + 26481316 = 2155^2 + 5146^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31125341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31125349) 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, 1197116 + ... + 1197141.

It is an arithmetic number, because the mean of its divisors is an integer number (8379903).

Almost surely, 2^31125341 is an apocalyptic number.

It is an amenable number.

31125341 is a deficient number, since it is larger than the sum of its proper divisors (2394271).

31125341 is a wasteful number, since it uses less digits than its factorization.

31125341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394270.

The product of its digits is 360, while the sum is 20.

The square root of 31125341 is about 5579.0089621724. The cubic root of 31125341 is about 314.5608763272.

Adding to 31125341 its reverse (14352113), we get a palindrome (45477454).

It can be divided in two parts, 311 and 25341, that added together give a palindrome (25652).

The spelling of 31125341 in words is "thirty-one million, one hundred twenty-five thousand, three hundred forty-one".