1210023031311 has 6 divisors (see below), whose sum is σ = 1747811045240. Its totient is φ = 806682020868.

The previous prime is 1210023031291. The next prime is 1210023031369. The reversal of 1210023031311 is 1131303200121.

1210023031311 is a `hidden beast` number, since 12 + 100 + 230 + 313 + 11 = 666.

It is not a de Polignac number, because 1210023031311 - 2¹³ = 1210023023119 is a prime.

It is a super-2 number, since 2×1210023031311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210023031111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67223501731 + ... + 67223501748.

Almost surely, 2^{1210023031311} is an apocalyptic number.

1210023031311 is a deficient number, since it is larger than the sum of its proper divisors (537788013929).

1210023031311 is a wasteful number, since it uses less digits than its factorization.

1210023031311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134447003485 (or 134447003482 counting only the distinct ones).

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

Adding to 1210023031311 its reverse (1131303200121), we get a palindrome (2341326231432).

The spelling of 1210023031311 in words is "one trillion, two hundred ten billion, twenty-three million, thirty-one thousand, three hundred eleven".