311301131230 has 16 divisors (see below), whose sum is σ = 560350178064. Its totient is φ = 124518643200.

The previous prime is 311301131209. The next prime is 311301131249. The reversal of 311301131230 is 32131103113.

It is a junction number, because it is equal to n+sod(n) for n = 311301131198 and 311301131207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662905 + ... + 1030555.

It is an arithmetic number, because the mean of its divisors is an integer number (35021886129).

Almost surely, 2^311301131230 is an apocalyptic number.

311301131230 is a deficient number, since it is larger than the sum of its proper divisors (249049046834).

311301131230 is a wasteful number, since it uses less digits than its factorization.

311301131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452331.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 311301131230 its reverse (32131103113), we get a palindrome (343432234343).

The spelling of 311301131230 in words is "three hundred eleven billion, three hundred one million, one hundred thirty-one thousand, two hundred thirty".