1220103103231 has 8 divisors (see below), whose sum is σ = 1220497516224. Its totient is φ = 1219708763520.

The previous prime is 1220103103199. The next prime is 1220103103267. The reversal of 1220103103231 is 1323013010221.

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 1220103103231 - 2⁵ = 1220103103199 is a prime.

It is a super-2 number, since 2×1220103103231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220103103199 and 1220103103208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220103113231) 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, 61261731 + ... + 61281643.

It is an arithmetic number, because the mean of its divisors is an integer number (152562189528).

Almost surely, 2^{1220103103231} is an apocalyptic number.

1220103103231 is a deficient number, since it is larger than the sum of its proper divisors (394412993).

1220103103231 is a wasteful number, since it uses less digits than its factorization.

1220103103231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36641.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1220103103231 its reverse (1323013010221), we get a palindrome (2543116113452).

The spelling of 1220103103231 in words is "one trillion, two hundred twenty billion, one hundred three million, one hundred three thousand, two hundred thirty-one".