1031530400312 has 16 divisors (see below), whose sum is σ = 1934331549360. Its totient is φ = 515708653824.

The previous prime is 1031530400237. The next prime is 1031530400353. The reversal of 1031530400312 is 2130040351301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6990713 + ... + 7136744.

It is an arithmetic number, because the mean of its divisors is an integer number (120895721835).

Almost surely, 2^{1031530400312} is an apocalyptic number.

It is an amenable number.

1031530400312 is a deficient number, since it is larger than the sum of its proper divisors (902801149048).

1031530400312 is a wasteful number, since it uses less digits than its factorization.

1031530400312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14136590 (or 14136586 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 1031530400312 its reverse (2130040351301), we get a palindrome (3161570751613).

The spelling of 1031530400312 in words is "one trillion, thirty-one billion, five hundred thirty million, four hundred thousand, three hundred twelve".