31440300230 has 48 divisors (see below), whose sum is σ = 57807657504. Its totient is φ = 12308997120.

The previous prime is 31440300211. The next prime is 31440300277. The reversal of 31440300230 is 3200304413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65637131 + ... + 65637609.

It is an arithmetic number, because the mean of its divisors is an integer number (1204326198).

Almost surely, 2^31440300230 is an apocalyptic number.

31440300230 is a deficient number, since it is larger than the sum of its proper divisors (26367357274).

31440300230 is an equidigital number, since it uses as much as digits as its factorization.

31440300230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 31440300230 its reverse (3200304413), we get a palindrome (34640604643).

The spelling of 31440300230 in words is "thirty-one billion, four hundred forty million, three hundred thousand, two hundred thirty".