11020303121031 has 20 divisors (see below), whose sum is σ = 16465220494272. Its totient is φ = 7345622563488.

The previous prime is 11020303121027. The next prime is 11020303121059. The reversal of 11020303121031 is 13012130302011.

11020303121031 is a `hidden beast` number, since 110 + 203 + 0 + 312 + 10 + 31 = 666.

It is not a de Polignac number, because 11020303121031 - 2² = 11020303121027 is a prime.

It is a super-3 number, since 3×11020303121031³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 11020303120995 and 11020303121013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020303121831) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11058135 + ... + 12013448.

Almost surely, 2^{11020303121031} is an apocalyptic number.

11020303121031 is a deficient number, since it is larger than the sum of its proper divisors (5444917373241).

11020303121031 is an equidigital number, since it uses as much as digits as its factorization.

11020303121031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23077492 (or 23077483 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11020303121031 its reverse (13012130302011), we get a palindrome (24032433423042).

The spelling of 11020303121031 in words is "eleven trillion, twenty billion, three hundred three million, one hundred twenty-one thousand, thirty-one".