1031223100312 has 32 divisors (see below), whose sum is σ = 1955382660000. Its totient is φ = 509788401408.

The previous prime is 1031223100283. The next prime is 1031223100321. The reversal of 1031223100312 is 2130013221301.

1031223100312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1031223100312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16964389 + ... + 17025067.

It is an arithmetic number, because the mean of its divisors is an integer number (61105708125).

Almost surely, 2^{1031223100312} is an apocalyptic number.

It is an amenable number.

1031223100312 is a deficient number, since it is larger than the sum of its proper divisors (924159559688).

1031223100312 is a wasteful number, since it uses less digits than its factorization.

1031223100312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84643 (or 84639 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1031223100312 its reverse (2130013221301), we get a palindrome (3161236321613).

The spelling of 1031223100312 in words is "one trillion, thirty-one billion, two hundred twenty-three million, one hundred thousand, three hundred twelve".