31043426 has 8 divisors (see below), whose sum is σ = 46900560. Its totient is φ = 15409908.

The previous prime is 31043417. The next prime is 31043443. The reversal of 31043426 is 62434013.

It is a happy number.

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

It is a super-3 number, since 3×31043426³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55556 + ... + 56111.

It is an arithmetic number, because the mean of its divisors is an integer number (5862570).

Almost surely, 2^31043426 is an apocalyptic number.

31043426 is a deficient number, since it is larger than the sum of its proper divisors (15857134).

31043426 is a wasteful number, since it uses less digits than its factorization.

31043426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111808.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 31043426 is about 5571.6627679715. The cubic root of 31043426 is about 314.2846823854.

Adding to 31043426 its reverse (62434013), we get a palindrome (93477439).

The spelling of 31043426 in words is "thirty-one million, forty-three thousand, four hundred twenty-six".