320140101425 has 6 divisors (see below), whose sum is σ = 396973725798. Its totient is φ = 256112081120.

The previous prime is 320140101397. The next prime is 320140101499. The reversal of 320140101425 is 524101041023.

It can be written as a sum of positive squares in 3 ways, for example, as 6356394529 + 313783706896 = 79727^2 + 560164^2 .

It is a de Polignac number, because none of the positive numbers 2^k-320140101425 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 320140101425.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6402802004 + ... + 6402802053.

It is an arithmetic number, because the mean of its divisors is an integer number (66162287633).

Almost surely, 2^320140101425 is an apocalyptic number.

It is an amenable number.

320140101425 is a deficient number, since it is larger than the sum of its proper divisors (76833624373).

320140101425 is a wasteful number, since it uses less digits than its factorization.

320140101425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12805604067 (or 12805604062 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 320140101425 its reverse (524101041023), we get a palindrome (844241142448).

The spelling of 320140101425 in words is "three hundred twenty billion, one hundred forty million, one hundred one thousand, four hundred twenty-five".