1210020320331 has 12 divisors (see below), whose sum is σ = 1747819730280. Its totient is φ = 806674397760.

The previous prime is 1210020320321. The next prime is 1210020320449. The reversal of 1210020320331 is 1330230200121.

1210020320331 is a `hidden beast` number, since 1 + 2 + 10 + 0 + 2 + 0 + 320 + 331 = 666.

It is not a de Polignac number, because 1210020320331 - 2³⁴ = 1192840451147 is a prime.

It is a super-2 number, since 2×1210020320331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1210020320321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1108776 + ... + 1910346.

It is an arithmetic number, because the mean of its divisors is an integer number (145651644190).

Almost surely, 2^{1210020320331} is an apocalyptic number.

1210020320331 is a deficient number, since it is larger than the sum of its proper divisors (537799409949).

1210020320331 is a wasteful number, since it uses less digits than its factorization.

1210020320331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969306 (or 969303 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1210020320331 its reverse (1330230200121), we get a palindrome (2540250520452).

It can be divided in two parts, 1210020 and 320331, that added together give a palindrome (1530351).

The spelling of 1210020320331 in words is "one trillion, two hundred ten billion, twenty million, three hundred twenty thousand, three hundred thirty-one".