1031300121204 has 72 divisors (see below), whose sum is σ = 2805494452488. Its totient is φ = 318241105920.

The previous prime is 1031300121199. The next prime is 1031300121259. The reversal of 1031300121204 is 4021210031301.

1031300121204 is a `hidden beast` number, since 10 + 31 + 300 + 121 + 204 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 69727683600 + 961572437604 = 264060^2 + 980598^2 .

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

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 13775217 + ... + 13849880.

It is an arithmetic number, because the mean of its divisors is an integer number (38965200729).

Almost surely, 2^{1031300121204} is an apocalyptic number.

It is an amenable number.

1031300121204 is an abundant number, since it is smaller than the sum of its proper divisors (1774194331284).

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

1031300121204 is a wasteful number, since it uses less digits than its factorization.

1031300121204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27625185 (or 27625180 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1031300121204 its reverse (4021210031301), we get a palindrome (5052510152505).

The spelling of 1031300121204 in words is "one trillion, thirty-one billion, three hundred million, one hundred twenty-one thousand, two hundred four".