1231030232330 has 16 divisors (see below), whose sum is σ = 2216162604744. Its totient is φ = 492343607040.

The previous prime is 1231030232329. The next prime is 1231030232347. The reversal of 1231030232330 is 332320301321.

It can be written as a sum of positive squares in 4 ways, for example, as 993723878449 + 237306353881 = 996857^2 + 487141^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1231030232296 and 1231030232305.

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, 8485211 + ... + 8629070.

Almost surely, 2^{1231030232330} is an apocalyptic number.

1231030232330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231030232330 is a deficient number, since it is larger than the sum of its proper divisors (985132372414).

1231030232330 is a wasteful number, since it uses less digits than its factorization.

1231030232330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17121481.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 1231030232330 its reverse (332320301321), we get a palindrome (1563350533651).

The spelling of 1231030232330 in words is "one trillion, two hundred thirty-one billion, thirty million, two hundred thirty-two thousand, three hundred thirty".