1231030313330 has 16 divisors (see below), whose sum is σ = 2216458240704. Its totient is φ = 492277974960.

The previous prime is 1231030313329. The next prime is 1231030313351. The reversal of 1231030313330 is 333130301321.

It is a junction number, because it is equal to n+sod(n) for n = 1231030313296 and 1231030313305.

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, 16730252 + ... + 16803671.

It is an arithmetic number, because the mean of its divisors is an integer number (138528640044).

Almost surely, 2^{1231030313330} is an apocalyptic number.

1231030313330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231030313330 is a deficient number, since it is larger than the sum of its proper divisors (985427927374).

1231030313330 is a wasteful number, since it uses less digits than its factorization.

1231030313330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33537601.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 1231030313330 its reverse (333130301321), we get a palindrome (1564160614651).

The spelling of 1231030313330 in words is "one trillion, two hundred thirty-one billion, thirty million, three hundred thirteen thousand, three hundred thirty".