31741361 has 4 divisors (see below), whose sum is σ = 32022372. Its totient is φ = 31460352.

The previous prime is 31741337. The next prime is 31741373. The reversal of 31741361 is 16314713.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16314713 = 17 ⋅959689.

It can be written as a sum of positive squares in 2 ways, for example, as 10764961 + 20976400 = 3281^2 + 4580^2 .

It is a cyclic number.

It is not a de Polignac number, because 31741361 - 2²² = 27547057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31741361.

It is not an unprimeable number, because it can be changed into a prime (31741961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140336 + ... + 140561.

It is an arithmetic number, because the mean of its divisors is an integer number (8005593).

Almost surely, 2^31741361 is an apocalyptic number.

It is an amenable number.

31741361 is a deficient number, since it is larger than the sum of its proper divisors (281011).

31741361 is a wasteful number, since it uses less digits than its factorization.

31741361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281010.

The product of its digits is 1512, while the sum is 26.

The square root of 31741361 is about 5633.9471953507. The cubic root of 31741361 is about 316.6225542739.

The spelling of 31741361 in words is "thirty-one million, seven hundred forty-one thousand, three hundred sixty-one".