253340040331 has 16 divisors (see below), whose sum is σ = 292544029440. Its totient is φ = 214891336800.

The previous prime is 253340040319. The next prime is 253340040337. The reversal of 253340040331 is 133040043352.

It is not a de Polignac number, because 253340040331 - 2¹³ = 253340032139 is a prime.

It is a super-2 number, since 2×253340040331² (a number of 24 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 253340040331.

It is not an unprimeable number, because it can be changed into a prime (253340040337) 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 15 ways as a sum of consecutive naturals, for example, 1344700 + ... + 1521478.

It is an arithmetic number, because the mean of its divisors is an integer number (18284001840).

Almost surely, 2^253340040331 is an apocalyptic number.

253340040331 is a deficient number, since it is larger than the sum of its proper divisors (39203989109).

253340040331 is a wasteful number, since it uses less digits than its factorization.

253340040331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178914.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 253340040331 its reverse (133040043352), we get a palindrome (386380083683).

The spelling of 253340040331 in words is "two hundred fifty-three billion, three hundred forty million, forty thousand, three hundred thirty-one".