31413398 has 8 divisors (see below), whose sum is σ = 47155608. Its totient is φ = 15694864.

The previous prime is 31413397. The next prime is 31413401. The reversal of 31413398 is 89331413.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31413397) 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, 2111 + ... + 8202.

It is an arithmetic number, because the mean of its divisors is an integer number (5894451).

Almost surely, 2^31413398 is an apocalyptic number.

31413398 is a deficient number, since it is larger than the sum of its proper divisors (15742210).

31413398 is a wasteful number, since it uses less digits than its factorization.

31413398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11838.

The product of its digits is 7776, while the sum is 32.

The square root of 31413398 is about 5604.7656507654. The cubic root of 31413398 is about 315.5282912939.

The spelling of 31413398 in words is "thirty-one million, four hundred thirteen thousand, three hundred ninety-eight".