31303340030 has 16 divisors (see below), whose sum is σ = 56657319264. Its totient is φ = 12452156640.

The previous prime is 31303340027. The next prime is 31303340071. The reversal of 31303340030 is 3004330313.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31303339984 and 31303340011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8645522 + ... + 8649141.

It is an arithmetic number, because the mean of its divisors is an integer number (3541082454).

Almost surely, 2^31303340030 is an apocalyptic number.

31303340030 is a deficient number, since it is larger than the sum of its proper divisors (25353979234).

31303340030 is a wasteful number, since it uses less digits than its factorization.

31303340030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17294851.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 31303340030 its reverse (3004330313), we get a palindrome (34307670343).

The spelling of 31303340030 in words is "thirty-one billion, three hundred three million, three hundred forty thousand, thirty".