780311130331 has 4 divisors (see below), whose sum is σ = 780313307032. Its totient is φ = 780308953632.

The previous prime is 780311130289. The next prime is 780311130337. The reversal of 780311130331 is 133031113087.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 780311130331 - 2¹⁵ = 780311097563 is a prime.

It is a super-2 number, since 2×780311130331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 780311130293 and 780311130302.

It is not an unprimeable number, because it can be changed into a prime (780311130337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409470 + ... + 1314643.

It is an arithmetic number, because the mean of its divisors is an integer number (195078326758).

Almost surely, 2^780311130331 is an apocalyptic number.

780311130331 is a deficient number, since it is larger than the sum of its proper divisors (2176701).

780311130331 is a wasteful number, since it uses less digits than its factorization.

780311130331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176700.

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 780311130331 in words is "seven hundred eighty billion, three hundred eleven million, one hundred thirty thousand, three hundred thirty-one".