31468090 has 8 divisors (see below), whose sum is σ = 56642580. Its totient is φ = 12587232.

The previous prime is 31468067. The next prime is 31468097. The reversal of 31468090 is 9086413.

It can be written as a sum of positive squares in 2 ways, for example, as 29669809 + 1798281 = 5447^2 + 1341^2 .

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

It is not an unprimeable number, because it can be changed into a prime (31468097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1573395 + ... + 1573414.

Almost surely, 2^31468090 is an apocalyptic number.

31468090 is a deficient number, since it is larger than the sum of its proper divisors (25174490).

31468090 is a wasteful number, since it uses less digits than its factorization.

31468090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146816.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 31468090 is about 5609.6425911104. The cubic root of 31468090 is about 315.7113009767.

It can be divided in two parts, 3146 and 8090, that added together give a square (11236 = 106²).

The spelling of 31468090 in words is "thirty-one million, four hundred sixty-eight thousand, ninety".