513401131 has 8 divisors (see below), whose sum is σ = 519034464. Its totient is φ = 507780480.

The previous prime is 513401093. The next prime is 513401143. The reversal of 513401131 is 131104315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513401131 - 2⁹ = 513400619 is a prime.

It is a super-2 number, since 2×513401131² = 527161442624158322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513401099 and 513401108.

It is not an unprimeable number, because it can be changed into a prime (513431131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94275 + ... + 99571.

It is an arithmetic number, because the mean of its divisors is an integer number (64879308).

Almost surely, 2^513401131 is an apocalyptic number.

513401131 is a deficient number, since it is larger than the sum of its proper divisors (5633333).

513401131 is a wasteful number, since it uses less digits than its factorization.

513401131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6341.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 513401131 is about 22658.3567586001. The cubic root of 513401131 is about 800.7290910601.

Adding to 513401131 its reverse (131104315), we get a palindrome (644505446).

The spelling of 513401131 in words is "five hundred thirteen million, four hundred one thousand, one hundred thirty-one".