311530614142 has 32 divisors (see below), whose sum is σ = 522502057728. Its totient is φ = 138074040000.

The previous prime is 311530614091. The next prime is 311530614163. The reversal of 311530614142 is 241416035113.

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, 1538167 + ... + 1728877.

It is an arithmetic number, because the mean of its divisors is an integer number (16328189304).

Almost surely, 2^311530614142 is an apocalyptic number.

311530614142 is a deficient number, since it is larger than the sum of its proper divisors (210971443586).

311530614142 is a wasteful number, since it uses less digits than its factorization.

311530614142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192576.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 311530614142 its reverse (241416035113), we get a palindrome (552946649255).

The spelling of 311530614142 in words is "three hundred eleven billion, five hundred thirty million, six hundred fourteen thousand, one hundred forty-two".