513231223110045 has 64 divisors (see below), whose sum is σ = 927054539735040. Its totient is φ = 240169951929600.

The previous prime is 513231223110029. The next prime is 513231223110071. The reversal of 513231223110045 is 540011322132315.

It is a happy number.

It is not a de Polignac number, because 513231223110045 - 2⁴ = 513231223110029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 513231223109988 and 513231223110015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6858301 + ... + 32764290.

It is an arithmetic number, because the mean of its divisors is an integer number (14485227183360).

Almost surely, 2^{513231223110045} is an apocalyptic number.

513231223110045 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

513231223110045 is a deficient number, since it is larger than the sum of its proper divisors (413823316624995).

513231223110045 is a wasteful number, since it uses less digits than its factorization.

513231223110045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39625346.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 513231223110045 in words is "five hundred thirteen trillion, two hundred thirty-one billion, two hundred twenty-three million, one hundred ten thousand, forty-five".