311325420413 has 4 divisors (see below), whose sum is σ = 355800480480. Its totient is φ = 266850360348.

The previous prime is 311325420331. The next prime is 311325420431. The reversal of 311325420413 is 314024523113.

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 311325420413 - 2¹⁴ = 311325404029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311325420443) 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, 22237530023 + ... + 22237530036.

It is an arithmetic number, because the mean of its divisors is an integer number (88950120120).

Almost surely, 2^311325420413 is an apocalyptic number.

It is an amenable number.

311325420413 is a deficient number, since it is larger than the sum of its proper divisors (44475060067).

311325420413 is an equidigital number, since it uses as much as digits as its factorization.

311325420413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44475060066.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 311325420413 its reverse (314024523113), we get a palindrome (625349943526).

It can be divided in two parts, 31132 and 5420413, that added together give a palindrome (5451545).

The spelling of 311325420413 in words is "three hundred eleven billion, three hundred twenty-five million, four hundred twenty thousand, four hundred thirteen".