78031311301 has 4 divisors (see below), whose sum is σ = 78548075104. Its totient is φ = 77514547500.

The previous prime is 78031311289. The next prime is 78031311311. The reversal of 78031311301 is 10311313087.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 78031311301 - 2⁷ = 78031311173 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 78031311301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78031311311) 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, 258381675 + ... + 258381976.

It is an arithmetic number, because the mean of its divisors is an integer number (19637018776).

Almost surely, 2^78031311301 is an apocalyptic number.

It is an amenable number.

78031311301 is a deficient number, since it is larger than the sum of its proper divisors (516763803).

78031311301 is a wasteful number, since it uses less digits than its factorization.

78031311301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516763802.

The product of its (nonzero) digits is 1512, while the sum is 28.

Adding to 78031311301 its reverse (10311313087), we get a palindrome (88342624388).

The spelling of 78031311301 in words is "seventy-eight billion, thirty-one million, three hundred eleven thousand, three hundred one".