260320257421131 has 4 divisors (see below), whose sum is σ = 347093676561512. Its totient is φ = 173546838280752.

The previous prime is 260320257421093. The next prime is 260320257421151. The reversal of 260320257421131 is 131124752023062.

260320257421131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 260320257421131 - 2¹³ = 260320257412939 is a prime.

It is a super-2 number, since 2×260320257421131² (a number of 30 digits) contains 22 as substring.

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 260320257421131.

It is not an unprimeable number, because it can be changed into a prime (260320257421151) 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, 43386709570186 + ... + 43386709570191.

It is an arithmetic number, because the mean of its divisors is an integer number (86773419140378).

Almost surely, 2^{260320257421131} is an apocalyptic number.

260320257421131 is a deficient number, since it is larger than the sum of its proper divisors (86773419140381).

260320257421131 is an equidigital number, since it uses as much as digits as its factorization.

260320257421131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86773419140380.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 260320257421131 in words is "two hundred sixty trillion, three hundred twenty billion, two hundred fifty-seven million, four hundred twenty-one thousand, one hundred thirty-one".