31420010 has 16 divisors (see below), whose sum is σ = 56827872. Its totient is φ = 12507600.

The previous prime is 31420009. The next prime is 31420027. The reversal of 31420010 is 1002413.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31419973 and 31420000.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5336 + ... + 9555.

It is an arithmetic number, because the mean of its divisors is an integer number (3551742).

Almost surely, 2^31420010 is an apocalyptic number.

31420010 is a deficient number, since it is larger than the sum of its proper divisors (25407862).

31420010 is a wasteful number, since it uses less digits than its factorization.

31420010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15109.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 31420010 is about 5605.3554749008. The cubic root of 31420010 is about 315.5504275673.

Adding to 31420010 its reverse (1002413), we get a palindrome (32422423).

The spelling of 31420010 in words is "thirty-one million, four hundred twenty thousand, ten".