495131142431 has 8 divisors (see below), whose sum is σ = 504627642144. Its totient is φ = 485640361440.

The previous prime is 495131142419. The next prime is 495131142437. The reversal of 495131142431 is 134241131594.

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 495131142431 - 2⁶ = 495131142367 is a prime.

It is a super-2 number, since 2×495131142431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495131142437) 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, 1254656 + ... + 1601381.

It is an arithmetic number, because the mean of its divisors is an integer number (63078455268).

Almost surely, 2^495131142431 is an apocalyptic number.

495131142431 is a deficient number, since it is larger than the sum of its proper divisors (9496499713).

495131142431 is a wasteful number, since it uses less digits than its factorization.

495131142431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859361.

The product of its digits is 51840, while the sum is 38.

The spelling of 495131142431 in words is "four hundred ninety-five billion, one hundred thirty-one million, one hundred forty-two thousand, four hundred thirty-one".