31413198 has 16 divisors (see below), whose sum is σ = 62960256. Its totient is φ = 10448760.

The previous prime is 31413191. The next prime is 31413203. The reversal of 31413198 is 89131413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31413191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2386 + ... + 8277.

It is an arithmetic number, because the mean of its divisors is an integer number (3935016).

Almost surely, 2^31413198 is an apocalyptic number.

31413198 is an abundant number, since it is smaller than the sum of its proper divisors (31547058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31413198 is a wasteful number, since it uses less digits than its factorization.

31413198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11159.

The product of its digits is 2592, while the sum is 30.

The square root of 31413198 is about 5604.7478087778. The cubic root of 31413198 is about 315.5276216667.

The spelling of 31413198 in words is "thirty-one million, four hundred thirteen thousand, one hundred ninety-eight".