1031212113233 has 8 divisors (see below), whose sum is σ = 1081992440256. Its totient is φ = 980927204400.

The previous prime is 1031212113227. The next prime is 1031212113259. The reversal of 1031212113233 is 3323112121301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1031212113233 - 2⁸ = 1031212112977 is a prime.

It is a super-2 number, since 2×1031212113233² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031212113199 and 1031212113208.

It is not an unprimeable number, because it can be changed into a prime (1031212113293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123850283 + ... + 123858608.

It is an arithmetic number, because the mean of its divisors is an integer number (135249055032).

Almost surely, 2^{1031212113233} is an apocalyptic number.

It is an amenable number.

1031212113233 is a deficient number, since it is larger than the sum of its proper divisors (50780327023).

1031212113233 is a wasteful number, since it uses less digits than its factorization.

1031212113233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247709095.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1031212113233 its reverse (3323112121301), we get a palindrome (4354324234534).

The spelling of 1031212113233 in words is "one trillion, thirty-one billion, two hundred twelve million, one hundred thirteen thousand, two hundred thirty-three".