311442130121230 has 16 divisors (see below), whose sum is σ = 560599493522544. Its totient is φ = 124576038869760.

The previous prime is 311442130121113. The next prime is 311442130121279. The reversal of 311442130121230 is 32121031244113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100037556 + ... + 103103815.

It is an arithmetic number, because the mean of its divisors is an integer number (35037468345159).

Almost surely, 2^{311442130121230} is an apocalyptic number.

311442130121230 is a deficient number, since it is larger than the sum of its proper divisors (249157363401314).

311442130121230 is a wasteful number, since it uses less digits than its factorization.

311442130121230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203294691.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 311442130121230 its reverse (32121031244113), we get a palindrome (343563161365343).

The spelling of 311442130121230 in words is "three hundred eleven trillion, four hundred forty-two billion, one hundred thirty million, one hundred twenty-one thousand, two hundred thirty".