1308881101 has 32 divisors (see below), whose sum is σ = 1559347200. Its totient is φ = 1085400000.

The previous prime is 1308881069. The next prime is 1308881107. The reversal of 1308881101 is 1011888031.

It is a cyclic number.

It is not a de Polignac number, because 1308881101 - 2⁵ = 1308881069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308881107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1742476 + ... + 1743226.

It is an arithmetic number, because the mean of its divisors is an integer number (48729600).

Almost surely, 2^1308881101 is an apocalyptic number.

1308881101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1308881101 is the 16180-th centered decagonal number.

It is an amenable number.

1308881101 is a deficient number, since it is larger than the sum of its proper divisors (250466099).

1308881101 is a wasteful number, since it uses less digits than its factorization.

1308881101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081.

The product of its (nonzero) digits is 1536, while the sum is 31.

The square root of 1308881101 is about 36178.4618385028. The cubic root of 1308881101 is about 1093.8725705967.

The spelling of 1308881101 in words is "one billion, three hundred eight million, eight hundred eighty-one thousand, one hundred one".