1031230056216 has 128 divisors (see below), whose sum is σ = 2642606208000. Its totient is φ = 335221286400.

The previous prime is 1031230056203. The next prime is 1031230056217. The reversal of 1031230056216 is 6126500321301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031230056217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 404244141 + ... + 404246691.

It is an arithmetic number, because the mean of its divisors is an integer number (20645361000).

Almost surely, 2^{1031230056216} 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 1031230056216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1321303104000).

1031230056216 is an abundant number, since it is smaller than the sum of its proper divisors (1611376151784).

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

1031230056216 is a wasteful number, since it uses less digits than its factorization.

1031230056216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4409 (or 4405 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 1031230056216 its reverse (6126500321301), we get a palindrome (7157730377517).

The spelling of 1031230056216 in words is "one trillion, thirty-one billion, two hundred thirty million, fifty-six thousand, two hundred sixteen".