6161214331 has 4 divisors (see below), whose sum is σ = 6277463712. Its totient is φ = 6044964952.

The previous prime is 6161214329. The next prime is 6161214413. The reversal of 6161214331 is 1334121616.

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

It is a cyclic number.

It is not a de Polignac number, because 6161214331 - 2¹ = 6161214329 is a prime.

It is a super-2 number, since 2×6161214331² = 75921124065039555122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6161214331.

It is not an unprimeable number, because it can be changed into a prime (6161214431) 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, 58124611 + ... + 58124716.

It is an arithmetic number, because the mean of its divisors is an integer number (1569365928).

Almost surely, 2^6161214331 is an apocalyptic number.

6161214331 is a deficient number, since it is larger than the sum of its proper divisors (116249381).

6161214331 is a wasteful number, since it uses less digits than its factorization.

6161214331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116249380.

The product of its digits is 2592, while the sum is 28.

The square root of 6161214331 is about 78493.4031049744. The cubic root of 6161214331 is about 1833.2517390206.

Adding to 6161214331 its reverse (1334121616), we get a palindrome (7495335947).

The spelling of 6161214331 in words is "six billion, one hundred sixty-one million, two hundred fourteen thousand, three hundred thirty-one".