1031321230000 has 50 divisors (see below), whose sum is σ = 2496931854164. Its totient is φ = 412528488000.

The previous prime is 1031321229941. The next prime is 1031321230039. The reversal of 1031321230000 is 321231301.

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 51556062 + ... + 51576061.

Almost surely, 2^{1031321230000} is an apocalyptic number.

1031321230000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031321230000 is an abundant number, since it is smaller than the sum of its proper divisors (1465610624164).

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

1031321230000 is an equidigital number, since it uses as much as digits as its factorization.

1031321230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103132151 (or 103132130 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1031321230000 its reverse (321231301), we get a palindrome (1031642461301).

The spelling of 1031321230000 in words is "one trillion, thirty-one billion, three hundred twenty-one million, two hundred thirty thousand".