1031230312000 has 112 divisors (see below), whose sum is σ = 2918676578688. Its totient is φ = 353564659200.

The previous prime is 1031230311973. The next prime is 1031230312003. The reversal of 1031230312000 is 2130321301.

It is a tau number, because it is divible by the number of its divisors (112).

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

It is not an unprimeable number, because it can be changed into a prime (1031230312003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9151414 + ... + 9263413.

Almost surely, 2^{1031230312000} is an apocalyptic number.

1031230312000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031230312000 is an abundant number, since it is smaller than the sum of its proper divisors (1887446266688).

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

1031230312000 is an equidigital number, since it uses as much as digits as its factorization.

1031230312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18414861 (or 18414841 counting only the distinct ones).

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

Adding to 1031230312000 its reverse (2130321301), we get a palindrome (1033360633301).

The spelling of 1031230312000 in words is "one trillion, thirty-one billion, two hundred thirty million, three hundred twelve thousand".