1213030342 has 32 divisors (see below), whose sum is σ = 1962483552. Its totient is φ = 560277504.

The previous prime is 1213030339. The next prime is 1213030363. The reversal of 1213030342 is 2430303121.

It is a super-2 number, since 2×1213030342² = 2942885221225273928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562338 + ... + 564490.

It is an arithmetic number, because the mean of its divisors is an integer number (61327611).

Almost surely, 2^1213030342 is an apocalyptic number.

1213030342 is a deficient number, since it is larger than the sum of its proper divisors (749453210).

1213030342 is a wasteful number, since it uses less digits than its factorization.

1213030342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1213030342 is about 34828.5851277367. The cubic root of 1213030342 is about 1066.4910652119.

Adding to 1213030342 its reverse (2430303121), we get a palindrome (3643333463).

The spelling of 1213030342 in words is "one billion, two hundred thirteen million, thirty thousand, three hundred forty-two".