1121103131 has 8 divisors (see below), whose sum is σ = 1198805184. Its totient is φ = 1044707200.

The previous prime is 1121103119. The next prime is 1121103143. The reversal of 1121103131 is 1313011211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1121103119) and next prime (1121103143).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121103131 - 2²⁶ = 1053994267 is a prime.

It is a super-2 number, since 2×1121103131² = 2513744460676006322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121103031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324755 + ... + 328188.

It is an arithmetic number, because the mean of its divisors is an integer number (149850648).

Almost surely, 2^1121103131 is an apocalyptic number.

1121103131 is a deficient number, since it is larger than the sum of its proper divisors (77702053).

1121103131 is a wasteful number, since it uses less digits than its factorization.

1121103131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653061.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1121103131 is about 33482.8781767637. The cubic root of 1121103131 is about 1038.8396609454.

Adding to 1121103131 its reverse (1313011211), we get a palindrome (2434114342).

The spelling of 1121103131 in words is "one billion, one hundred twenty-one million, one hundred three thousand, one hundred thirty-one".