513325420311 has 16 divisors (see below), whose sum is σ = 749087273088. Its totient is φ = 310092933600.

The previous prime is 513325420297. The next prime is 513325420313. The reversal of 513325420311 is 113024523315.

It is not a de Polignac number, because 513325420311 - 2²² = 513321226007 is a prime.

It is a super-2 number, since 2×513325420311² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513325420313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25324260 + ... + 25344521.

It is an arithmetic number, because the mean of its divisors is an integer number (46817954568).

Almost surely, 2^513325420311 is an apocalyptic number.

513325420311 is a deficient number, since it is larger than the sum of its proper divisors (235761852777).

513325420311 is a wasteful number, since it uses less digits than its factorization.

513325420311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50669102.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 513325420311 its reverse (113024523315), we get a palindrome (626349943626).

The spelling of 513325420311 in words is "five hundred thirteen billion, three hundred twenty-five million, four hundred twenty thousand, three hundred eleven".