1103451031 has 2 divisors, whose sum is σ = 1103451032. Its totient is φ = 1103451030.

The previous prime is 1103451001. The next prime is 1103451067. The reversal of 1103451031 is 1301543011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1103451031 - 2¹⁵ = 1103418263 is a prime.

It is a super-2 number, since 2×1103451031² = 2435208355629925922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103451001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551725515 + 551725516.

It is an arithmetic number, because the mean of its divisors is an integer number (551725516).

Almost surely, 2^1103451031 is an apocalyptic number.

1103451031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103451031 is an equidigital number, since it uses as much as digits as its factorization.

1103451031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1103451031 is about 33218.2334117876. The cubic root of 1103451031 is about 1033.3585129371.

Adding to 1103451031 its reverse (1301543011), we get a palindrome (2404994042).

The spelling of 1103451031 in words is "one billion, one hundred three million, four hundred fifty-one thousand, thirty-one".