31423046 has 8 divisors (see below), whose sum is σ = 47933640. Its totient is φ = 15445168.

The previous prime is 31423039. The next prime is 31423081. The reversal of 31423046 is 64032413.

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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133031 + ... + 133266.

It is an arithmetic number, because the mean of its divisors is an integer number (5991705).

Almost surely, 2^31423046 is an apocalyptic number.

31423046 is a deficient number, since it is larger than the sum of its proper divisors (16510594).

31423046 is a wasteful number, since it uses less digits than its factorization.

31423046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266358.

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

The square root of 31423046 is about 5605.6262808004. The cubic root of 31423046 is about 315.5605907324.

Adding to 31423046 its reverse (64032413), we get a palindrome (95455459).

The spelling of 31423046 in words is "thirty-one million, four hundred twenty-three thousand, forty-six".