1022103311231 has 4 divisors (see below), whose sum is σ = 1022125018200. Its totient is φ = 1022081604264.

The previous prime is 1022103311191. The next prime is 1022103311237. The reversal of 1022103311231 is 1321133012201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022103311231 is a prime.

It is a super-4 number, since 4×1022103311231⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022103311237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10782701 + ... + 10877078.

It is an arithmetic number, because the mean of its divisors is an integer number (255531254550).

Almost surely, 2^{1022103311231} is an apocalyptic number.

1022103311231 is a deficient number, since it is larger than the sum of its proper divisors (21706969).

1022103311231 is an equidigital number, since it uses as much as digits as its factorization.

1022103311231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21706968.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1022103311231 its reverse (1321133012201), we get a palindrome (2343236323432).

The spelling of 1022103311231 in words is "one trillion, twenty-two billion, one hundred three million, three hundred eleven thousand, two hundred thirty-one".