31340098 has 16 divisors (see below), whose sum is σ = 47930616. Its totient is φ = 15366400.

The previous prime is 31340093. The next prime is 31340143. The reversal of 31340098 is 89004313.

It can be written as a sum of positive squares in 4 ways, for example, as 31102929 + 237169 = 5577^2 + 487^2 .

It is not an unprimeable number, because it can be changed into a prime (31340093) 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 7 ways as a sum of consecutive naturals, for example, 22140 + ... + 23512.

Almost surely, 2^31340098 is an apocalyptic number.

31340098 is a deficient number, since it is larger than the sum of its proper divisors (16590518).

31340098 is a wasteful number, since it uses less digits than its factorization.

31340098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 31340098 is about 5598.2227536960. Note that the first 3 decimals coincide. The cubic root of 31340098 is about 315.2826823318.

The spelling of 31340098 in words is "thirty-one million, three hundred forty thousand, ninety-eight".