311231343230 has 32 divisors (see below), whose sum is σ = 561741972480. Its totient is φ = 124153899520.

The previous prime is 311231343223. The next prime is 311231343251. The reversal of 311231343230 is 32343132113.

It is a self number, because there is not a number n which added to its sum of digits gives 311231343230.

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, 6905027 + ... + 6949953.

It is an arithmetic number, because the mean of its divisors is an integer number (17554436640).

Almost surely, 2^311231343230 is an apocalyptic number.

311231343230 is a deficient number, since it is larger than the sum of its proper divisors (250510629250).

311231343230 is a wasteful number, since it uses less digits than its factorization.

311231343230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46804.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 311231343230 its reverse (32343132113), we get a palindrome (343574475343).

The spelling of 311231343230 in words is "three hundred eleven billion, two hundred thirty-one million, three hundred forty-three thousand, two hundred thirty".