1311210030 has 32 divisors (see below), whose sum is σ = 3388974624. Its totient is φ = 322759296.

The previous prime is 1311210023. The next prime is 1311210071. The reversal of 1311210030 is 300121131.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1311209988 and 1311210015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1680649 + ... + 1681428.

It is an arithmetic number, because the mean of its divisors is an integer number (105905457).

Almost surely, 2^1311210030 is an apocalyptic number.

1311210030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311210030 is an abundant number, since it is smaller than the sum of its proper divisors (2077764594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311210030 is a wasteful number, since it uses less digits than its factorization.

1311210030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362100.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1311210030 is about 36210.6342115131. The cubic root of 1311210030 is about 1094.5209722647.

Adding to 1311210030 its reverse (300121131), we get a palindrome (1611331161).

The spelling of 1311210030 in words is "one billion, three hundred eleven million, two hundred ten thousand, thirty".