1000312011320 has 32 divisors (see below), whose sum is σ = 2272986213120. Its totient is φ = 396163171200.

The previous prime is 1000312011313. The next prime is 1000312011329. The reversal of 1000312011320 is 231102130001.

It is a junction number, because it is equal to n+sod(n) for n = 1000312011295 and 1000312011304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000312011329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123796952 + ... + 123805031.

It is an arithmetic number, because the mean of its divisors is an integer number (71030819160).

Almost surely, 2^{1000312011320} is an apocalyptic number.

1000312011320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000312011320 is an abundant number, since it is smaller than the sum of its proper divisors (1272674201800).

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

1000312011320 is a wasteful number, since it uses less digits than its factorization.

1000312011320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247602095 (or 247602091 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1000312011320 its reverse (231102130001), we get a palindrome (1231414141321).

The spelling of 1000312011320 in words is "one trillion, three hundred twelve million, eleven thousand, three hundred twenty".