31425466 has 8 divisors (see below), whose sum is σ = 47171124. Its totient is φ = 15701760.

The previous prime is 31425461. The next prime is 31425467. The reversal of 31425466 is 66452413.

It can be written as a sum of positive squares in 2 ways, for example, as 30569841 + 855625 = 5529^2 + 925^2 .

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 (31425461) 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, 1255 + ... + 8026.

Almost surely, 2^31425466 is an apocalyptic number.

31425466 is a deficient number, since it is larger than the sum of its proper divisors (15745658).

31425466 is a wasteful number, since it uses less digits than its factorization.

31425466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10976.

The product of its digits is 17280, while the sum is 31.

The square root of 31425466 is about 5605.8421312056. The cubic root of 31425466 is about 315.5686913371.

Adding to 31425466 its reverse (66452413), we get a palindrome (97877879).

The spelling of 31425466 in words is "thirty-one million, four hundred twenty-five thousand, four hundred sixty-six".