11030331123 has 48 divisors (see below), whose sum is σ = 18845798400. Its totient is φ = 6083622720.

The previous prime is 11030331113. The next prime is 11030331139. The reversal of 11030331123 is 32113303011.

It is a happy number.

It is not a de Polignac number, because 11030331123 - 2⁸ = 11030330867 is a prime.

It is a super-2 number, since 2×11030331123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11030331096 and 11030331105.

It is not an unprimeable number, because it can be changed into a prime (11030331113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 752458 + ... + 766976.

It is an arithmetic number, because the mean of its divisors is an integer number (392620800).

Almost surely, 2^11030331123 is an apocalyptic number.

11030331123 is a deficient number, since it is larger than the sum of its proper divisors (7815467277).

11030331123 is a wasteful number, since it uses less digits than its factorization.

11030331123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14952 (or 14949 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11030331123 its reverse (32113303011), we get a palindrome (43143634134).

The spelling of 11030331123 in words is "eleven billion, thirty million, three hundred thirty-one thousand, one hundred twenty-three".