1308228031 has 16 divisors (see below), whose sum is σ = 1436947200. Its totient is φ = 1181174400.

The previous prime is 1308228023. The next prime is 1308228083.

1308228031 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1308228031 - 2³ = 1308228023 is a prime.

It is a super-2 number, since 2×1308228031² = 3422921162188273922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308228011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1296055 + ... + 1297063.

It is an arithmetic number, because the mean of its divisors is an integer number (89809200).

Almost surely, 2^1308228031 is an apocalyptic number.

1308228031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1308228031 is a deficient number, since it is larger than the sum of its proper divisors (128719169).

1308228031 is a wasteful number, since it uses less digits than its factorization.

1308228031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1308228031 is about 36169.4350384410. The cubic root of 1308228031 is about 1093.6906100389.

The spelling of 1308228031 in words is "one billion, three hundred eight million, two hundred twenty-eight thousand, thirty-one".