311032223130032 has 80 divisors (see below), whose sum is σ = 639744550906752. Its totient is φ = 145985118397440.

The previous prime is 311032223130023. The next prime is 311032223130067. The reversal of 311032223130032 is 230031322230113.

It is a junction number, because it is equal to n+sod(n) for n = 311032223129983 and 311032223130010.

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, 229434263 + ... + 230785929.

Almost surely, 2^{311032223130032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 311032223130032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319872275453376).

311032223130032 is an abundant number, since it is smaller than the sum of its proper divisors (328712327776720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311032223130032 is a wasteful number, since it uses less digits than its factorization.

311032223130032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353906 (or 1353900 counting only the distinct ones).

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

Adding to 311032223130032 its reverse (230031322230113), we get a palindrome (541063545360145).

The spelling of 311032223130032 in words is "three hundred eleven trillion, thirty-two billion, two hundred twenty-three million, one hundred thirty thousand, thirty-two".