1101303223031 has 4 divisors (see below), whose sum is σ = 1201421697864. Its totient is φ = 1001184748200.

The previous prime is 1101303223019. The next prime is 1101303223081. The reversal of 1101303223031 is 1303223031011.

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-1101303223031 is a prime.

It is a super-2 number, since 2×1101303223031² (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 = 1101303222994 and 1101303223012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101303223081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50059237400 + ... + 50059237421.

It is an arithmetic number, because the mean of its divisors is an integer number (300355424466).

Almost surely, 2^{1101303223031} is an apocalyptic number.

1101303223031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101303223031 is a deficient number, since it is larger than the sum of its proper divisors (100118474833).

1101303223031 is a wasteful number, since it uses less digits than its factorization.

1101303223031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100118474832.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1101303223031 its reverse (1303223031011), we get a palindrome (2404526254042).

The spelling of 1101303223031 in words is "one trillion, one hundred one billion, three hundred three million, two hundred twenty-three thousand, thirty-one".