31003230230 has 32 divisors (see below), whose sum is σ = 63862433856. Its totient is φ = 10615618944.

The previous prime is 31003230199. The next prime is 31003230241. The reversal of 31003230230 is 3203230013.

It is a super-2 number, since 2×31003230230² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31003230199 and 31003230208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239549 + ... + 345528.

It is an arithmetic number, because the mean of its divisors is an integer number (1995701058).

Almost surely, 2^31003230230 is an apocalyptic number.

31003230230 is an abundant number, since it is smaller than the sum of its proper divisors (32859203626).

31003230230 is a wasteful number, since it uses less digits than its factorization.

31003230230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585848.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 31003230230 its reverse (3203230013), we get a palindrome (34206460243).

The spelling of 31003230230 in words is "thirty-one billion, three million, two hundred thirty thousand, two hundred thirty".