1308881071 has 4 divisors (see below), whose sum is σ = 1310996200. Its totient is φ = 1306765944.

The previous prime is 1308881069. The next prime is 1308881107. The reversal of 1308881071 is 1701888031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1701888031 = 39709 ⋅42859.

It is a cyclic number.

It is not a de Polignac number, because 1308881071 - 2¹ = 1308881069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1308881071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308881011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056636 + ... + 1057873.

It is an arithmetic number, because the mean of its divisors is an integer number (327749050).

Almost surely, 2^1308881071 is an apocalyptic number.

1308881071 is a deficient number, since it is larger than the sum of its proper divisors (2115129).

1308881071 is an equidigital number, since it uses as much as digits as its factorization.

1308881071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115128.

The product of its (nonzero) digits is 10752, while the sum is 37.

The square root of 1308881071 is about 36178.4614238914. The cubic root of 1308881071 is about 1093.8725622394.

The spelling of 1308881071 in words is "one billion, three hundred eight million, eight hundred eighty-one thousand, seventy-one".