1031201130321 has 48 divisors (see below), whose sum is σ = 1575402716160. Its totient is φ = 648924480000.

The previous prime is 1031201130283. The next prime is 1031201130331. The reversal of 1031201130321 is 1230311021301.

1031201130321 is a `hidden beast` number, since 1 + 0 + 312 + 0 + 1 + 1 + 30 + 321 = 666.

It is not a de Polignac number, because 1031201130321 - 2⁶ = 1031201130257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1031201130294 and 1031201130303.

It is not an unprimeable number, because it can be changed into a prime (1031201130331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87376621 + ... + 87388421.

It is an arithmetic number, because the mean of its divisors is an integer number (32820889920).

Almost surely, 2^{1031201130321} is an apocalyptic number.

It is an amenable number.

1031201130321 is a deficient number, since it is larger than the sum of its proper divisors (544201585839).

1031201130321 is a wasteful number, since it uses less digits than its factorization.

1031201130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19518 (or 19515 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1031201130321 its reverse (1230311021301), we get a palindrome (2261512151622).

The spelling of 1031201130321 in words is "one trillion, thirty-one billion, two hundred one million, one hundred thirty thousand, three hundred twenty-one".