1012103233231 has 4 divisors (see below), whose sum is σ = 1012609540000. Its totient is φ = 1011596926464.

The previous prime is 1012103233187. The next prime is 1012103233259. The reversal of 1012103233231 is 1323323012101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012103233231 - 2⁷ = 1012103233103 is a prime.

It is a super-2 number, since 2×1012103233231² (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 (1012103233291) 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, 253150386 + ... + 253154383.

It is an arithmetic number, because the mean of its divisors is an integer number (253152385000).

Almost surely, 2^{1012103233231} is an apocalyptic number.

1012103233231 is a deficient number, since it is larger than the sum of its proper divisors (506306769).

1012103233231 is an equidigital number, since it uses as much as digits as its factorization.

1012103233231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506306768.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1012103233231 its reverse (1323323012101), we get a palindrome (2335426245332).

The spelling of 1012103233231 in words is "one trillion, twelve billion, one hundred three million, two hundred thirty-three thousand, two hundred thirty-one".