2531706142 has 8 divisors (see below), whose sum is σ = 4340067696. Its totient is φ = 1085016912.

The previous prime is 2531706103. The next prime is 2531706179. The reversal of 2531706142 is 2416071352.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90418063 + ... + 90418090.

It is an arithmetic number, because the mean of its divisors is an integer number (542508462).

Almost surely, 2^2531706142 is an apocalyptic number.

2531706142 is a deficient number, since it is larger than the sum of its proper divisors (1808361554).

2531706142 is a wasteful number, since it uses less digits than its factorization.

2531706142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180836162.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2531706142 is about 50316.0624651810. The cubic root of 2531706142 is about 1362.9223029192.

Adding to 2531706142 its reverse (2416071352), we get a palindrome (4947777494).

The spelling of 2531706142 in words is "two billion, five hundred thirty-one million, seven hundred six thousand, one hundred forty-two".