1122003123031 has 24 divisors (see below), whose sum is σ = 1403112948480. Its totient is φ = 891715133232.

The previous prime is 1122003122987. The next prime is 1122003123049. The reversal of 1122003123031 is 1303213002211.

It is not a de Polignac number, because 1122003123031 - 2²⁹ = 1121466252119 is a prime.

It is a super-2 number, since 2×1122003123031² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122003123331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12777085 + ... + 12864598.

It is an arithmetic number, because the mean of its divisors is an integer number (58463039520).

Almost surely, 2^{1122003123031} is an apocalyptic number.

1122003123031 is a deficient number, since it is larger than the sum of its proper divisors (281109825449).

1122003123031 is a wasteful number, since it uses less digits than its factorization.

1122003123031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25641763 (or 25641756 counting only the distinct ones).

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

Adding to 1122003123031 its reverse (1303213002211), we get a palindrome (2425216125242).

The spelling of 1122003123031 in words is "one trillion, one hundred twenty-two billion, three million, one hundred twenty-three thousand, thirty-one".