1108449131 has 2 divisors, whose sum is σ = 1108449132. Its totient is φ = 1108449130.

The previous prime is 1108449119. The next prime is 1108449137. The reversal of 1108449131 is 1319448011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1108449131 - 2¹⁴ = 1108432747 is a prime.

It is a super-2 number, since 2×1108449131² = 2457318952029310322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1108449137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554224565 + 554224566.

It is an arithmetic number, because the mean of its divisors is an integer number (554224566).

Almost surely, 2^1108449131 is an apocalyptic number.

1108449131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108449131 is an equidigital number, since it uses as much as digits as its factorization.

1108449131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 1108449131 is about 33293.3796872591. The cubic root of 1108449131 is about 1034.9163681092.

The spelling of 1108449131 in words is "one billion, one hundred eight million, four hundred forty-nine thousand, one hundred thirty-one".