6361142131 has 4 divisors (see below), whose sum is σ = 6637713552. Its totient is φ = 6084570712.

The previous prime is 6361142129. The next prime is 6361142149. The reversal of 6361142131 is 1312411636.

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 6361142131 - 2¹ = 6361142129 is a prime.

It is a super-2 number, since 2×6361142131² = 80928258421566442322, 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 6361142131.

It is not an unprimeable number, because it can be changed into a prime (6361142731) 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, 138285676 + ... + 138285721.

It is an arithmetic number, because the mean of its divisors is an integer number (1659428388).

Almost surely, 2^6361142131 is an apocalyptic number.

6361142131 is a deficient number, since it is larger than the sum of its proper divisors (276571421).

6361142131 is a wasteful number, since it uses less digits than its factorization.

6361142131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276571420.

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

The square root of 6361142131 is about 79756.7685591637. The cubic root of 6361142131 is about 1852.8703560956.

Adding to 6361142131 its reverse (1312411636), we get a palindrome (7673553767).

The spelling of 6361142131 in words is "six billion, three hundred sixty-one million, one hundred forty-two thousand, one hundred thirty-one".