1308113500 has 48 divisors (see below), whose sum is σ = 2981160000. Its totient is φ = 500491200.

The previous prime is 1308113491. The next prime is 1308113509. The reversal of 1308113500 is 53118031.

It is an interprime number because it is at equal distance from previous prime (1308113491) and next prime (1308113509).

It is a super-2 number, since 2×1308113500² = 3422321857764500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308113509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45375 + ... + 68374.

It is an arithmetic number, because the mean of its divisors is an integer number (62107500).

Almost surely, 2^1308113500 is an apocalyptic number.

1308113500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1308113500 is an abundant number, since it is smaller than the sum of its proper divisors (1673046500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1308113500 is a wasteful number, since it uses less digits than its factorization.

1308113500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113791 (or 113779 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1308113500 is about 36167.8517470972. The cubic root of 1308113500 is about 1093.6586927860.

The spelling of 1308113500 in words is "one billion, three hundred eight million, one hundred thirteen thousand, five hundred".