1231203203330 has 8 divisors (see below), whose sum is σ = 2216165766012. Its totient is φ = 492481281328.

The previous prime is 1231203203327. The next prime is 1231203203359. The reversal of 1231203203330 is 333023021321.

It can be written as a sum of positive squares in 2 ways, for example, as 987298589641 + 243904613689 = 993629^2 + 493867^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1231203203330² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1231203203296 and 1231203203305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61560160157 + ... + 61560160176.

Almost surely, 2^{1231203203330} is an apocalyptic number.

1231203203330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231203203330 is a deficient number, since it is larger than the sum of its proper divisors (984962562682).

1231203203330 is a wasteful number, since it uses less digits than its factorization.

1231203203330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123120320340.

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

Adding to 1231203203330 its reverse (333023021321), we get a palindrome (1564226224651).

The spelling of 1231203203330 in words is "one trillion, two hundred thirty-one billion, two hundred three million, two hundred three thousand, three hundred thirty".