1306831146370 has 8 divisors (see below), whose sum is σ = 2352296063484. Its totient is φ = 522732458544.

The previous prime is 1306831146347. The next prime is 1306831146421. The reversal of 1306831146370 is 736411386031.

It can be written as a sum of positive squares in 2 ways, for example, as 1304504338201 + 2326808169 = 1142149^2 + 48237^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65341557309 + ... + 65341557328.

Almost surely, 2^{1306831146370} is an apocalyptic number.

1306831146370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1306831146370 is a deficient number, since it is larger than the sum of its proper divisors (1045464917114).

1306831146370 is a wasteful number, since it uses less digits than its factorization.

1306831146370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130683114644.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 1306831146370 in words is "one trillion, three hundred six billion, eight hundred thirty-one million, one hundred forty-six thousand, three hundred seventy".