311430224013020 has 48 divisors (see below), whose sum is σ = 764814689683968. Its totient is φ = 104292912225600.

The previous prime is 311430224012989. The next prime is 311430224013037. The reversal of 311430224013020 is 20310422034113.

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, 25866291656 + ... + 25866303695.

It is an arithmetic number, because the mean of its divisors is an integer number (15933639368416).

Almost surely, 2^{311430224013020} is an apocalyptic number.

It is an amenable number.

311430224013020 is an abundant number, since it is smaller than the sum of its proper divisors (453384465670948).

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

311430224013020 is a wasteful number, since it uses less digits than its factorization.

311430224013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51732595410 (or 51732595408 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 311430224013020 its reverse (20310422034113), we get a palindrome (331740646047133).

The spelling of 311430224013020 in words is "three hundred eleven trillion, four hundred thirty billion, two hundred twenty-four million, thirteen thousand, twenty".