1802110122031 has 4 divisors (see below), whose sum is σ = 1819606336912. Its totient is φ = 1784613907152.

The previous prime is 1802110122013. The next prime is 1802110122047. The reversal of 1802110122031 is 1302210112081.

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 1802110122031 - 2¹¹ = 1802110119983 is a prime.

It is a super-2 number, since 2×1802110122031² (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 = 1802110121993 and 1802110122011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1802110122431) 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, 8748107286 + ... + 8748107491.

It is an arithmetic number, because the mean of its divisors is an integer number (454901584228).

Almost surely, 2^{1802110122031} is an apocalyptic number.

1802110122031 is a deficient number, since it is larger than the sum of its proper divisors (17496214881).

1802110122031 is a wasteful number, since it uses less digits than its factorization.

1802110122031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17496214880.

The product of its (nonzero) digits is 192, while the sum is 22.

The spelling of 1802110122031 in words is "one trillion, eight hundred two billion, one hundred ten million, one hundred twenty-two thousand, thirty-one".