1311070770 has 48 divisors (see below), whose sum is σ = 3609304920. Its totient is φ = 329052672.

The previous prime is 1311070727. The next prime is 1311070793. The reversal of 1311070770 is 770701131.

It can be written as a sum of positive squares in 4 ways, for example, as 1162059921 + 149010849 = 34089^2 + 12207^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 426925 + ... + 429984.

Almost surely, 2^1311070770 is an apocalyptic number.

1311070770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311070770 is an abundant number, since it is smaller than the sum of its proper divisors (2298234150).

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

1311070770 is a wasteful number, since it uses less digits than its factorization.

1311070770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856939 (or 856936 counting only the distinct ones).

The product of its (nonzero) digits is 1029, while the sum is 27.

The square root of 1311070770 is about 36208.7112446715. The cubic root of 1311070770 is about 1094.4822222085.

The spelling of 1311070770 in words is "one billion, three hundred eleven million, seventy thousand, seven hundred seventy".