30231231002 has 24 divisors (see below), whose sum is σ = 55853381844. Its totient is φ = 12194109312.

The previous prime is 30231230971. The next prime is 30231231049. The reversal of 30231231002 is 20013213203.

It can be written as a sum of positive squares in 2 ways, for example, as 30119949601 + 111281401 = 173551^2 + 10549^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9071333 + ... + 9074664.

Almost surely, 2^30231231002 is an apocalyptic number.

30231231002 is a deficient number, since it is larger than the sum of its proper divisors (25622150842).

30231231002 is a wasteful number, since it uses less digits than its factorization.

30231231002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18146030 (or 18146023 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30231231002 its reverse (20013213203), we get a palindrome (50244444205).

The spelling of 30231231002 in words is "thirty billion, two hundred thirty-one million, two hundred thirty-one thousand, two".