613201431 has 4 divisors (see below), whose sum is σ = 817601912. Its totient is φ = 408800952.

The previous prime is 613201429. The next prime is 613201471. The reversal of 613201431 is 134102316.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 613201431 - 2¹ = 613201429 is a prime.

It is a super-2 number, since 2×613201431² = 752031989960895522, 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 = 613201398 and 613201407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613201411) 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, 102200236 + ... + 102200241.

It is an arithmetic number, because the mean of its divisors is an integer number (204400478).

Almost surely, 2^613201431 is an apocalyptic number.

613201431 is a deficient number, since it is larger than the sum of its proper divisors (204400481).

613201431 is a wasteful number, since it uses less digits than its factorization.

613201431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204400480.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 613201431 is about 24762.9043328928. The cubic root of 613201431 is about 849.5736874900.

Adding to 613201431 its reverse (134102316), we get a palindrome (747303747).

The spelling of 613201431 in words is "six hundred thirteen million, two hundred one thousand, four hundred thirty-one".