1103553931 has 2 divisors, whose sum is σ = 1103553932. Its totient is φ = 1103553930.

The previous prime is 1103553889. The next prime is 1103553959. The reversal of 1103553931 is 1393553011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1103553931 - 2¹³ = 1103545739 is a prime.

It is a super-2 number, since 2×1103553931² = 2435662557251105522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1103553893 and 1103553902.

It is not a weakly prime, because it can be changed into another prime (1103553131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551776965 + 551776966.

It is an arithmetic number, because the mean of its divisors is an integer number (551776966).

Almost surely, 2^1103553931 is an apocalyptic number.

1103553931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103553931 is an equidigital number, since it uses as much as digits as its factorization.

1103553931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6075, while the sum is 31.

The square root of 1103553931 is about 33219.7822238497. The cubic root of 1103553931 is about 1033.3906331620.

The spelling of 1103553931 in words is "one billion, one hundred three million, five hundred fifty-three thousand, nine hundred thirty-one".