311203003234 has 24 divisors (see below), whose sum is σ = 496464538752. Its totient is φ = 146027927760.

The previous prime is 311203003217. The next prime is 311203003313. The reversal of 311203003234 is 432300302113.

It is a super-2 number, since 2×311203003234² (a number of 24 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 1075002 + ... + 1333429.

It is an arithmetic number, because the mean of its divisors is an integer number (20686022448).

Almost surely, 2^311203003234 is an apocalyptic number.

311203003234 is a deficient number, since it is larger than the sum of its proper divisors (185261535518).

311203003234 is a wasteful number, since it uses less digits than its factorization.

311203003234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408562 (or 2408509 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 311203003234 its reverse (432300302113), we get a palindrome (743503305347).

The spelling of 311203003234 in words is "three hundred eleven billion, two hundred three million, three thousand, two hundred thirty-four".