31434959 has 4 divisors (see below), whose sum is σ = 31483320. Its totient is φ = 31386600.

The previous prime is 31434929. The next prime is 31434973. The reversal of 31434959 is 95943413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31434959 - 2¹² = 31430863 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 (31434919) 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 3 ways as a sum of consecutive naturals, for example, 23192 + ... + 24509.

It is an arithmetic number, because the mean of its divisors is an integer number (7870830).

Almost surely, 2^31434959 is an apocalyptic number.

31434959 is a deficient number, since it is larger than the sum of its proper divisors (48361).

31434959 is an equidigital number, since it uses as much as digits as its factorization.

31434959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48360.

The product of its digits is 58320, while the sum is 38.

The square root of 31434959 is about 5606.6887732422. The cubic root of 31434959 is about 315.6004637855.

The spelling of 31434959 in words is "thirty-one million, four hundred thirty-four thousand, nine hundred fifty-nine".