1031321330010 has 96 divisors (see below), whose sum is σ = 2699050358160. Its totient is φ = 273218187264.

The previous prime is 1031321330009. The next prime is 1031321330029. The reversal of 1031321330010 is 100331231301.

It is a happy number.

1031321330010 is a `hidden beast` number, since 1 + 0 + 3 + 1 + 321 + 330 + 0 + 10 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 435801983409 + 595519346601 = 660153^2 + 771699^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8485792 + ... + 8606468.

Almost surely, 2^{1031321330010} is an apocalyptic number.

1031321330010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031321330010 is an abundant number, since it is smaller than the sum of its proper divisors (1667729028150).

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

1031321330010 is a wasteful number, since it uses less digits than its factorization.

1031321330010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121312 (or 121309 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1031321330010 its reverse (100331231301), we get a palindrome (1131652561311).

The spelling of 1031321330010 in words is "one trillion, thirty-one billion, three hundred twenty-one million, three hundred thirty thousand, ten".