731302142 has 8 divisors (see below), whose sum is σ = 1109278800. Its totient is φ = 361542544.

The previous prime is 731302123. The next prime is 731302177. The reversal of 731302142 is 241203137.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2054042 + ... + 2054397.

It is an arithmetic number, because the mean of its divisors is an integer number (138659850).

Almost surely, 2^731302142 is an apocalyptic number.

731302142 is a deficient number, since it is larger than the sum of its proper divisors (377976658).

731302142 is a wasteful number, since it uses less digits than its factorization.

731302142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108530.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 731302142 is about 27042.5986547151. The cubic root of 731302142 is about 900.9463880233.

Adding to 731302142 its reverse (241203137), we get a palindrome (972505279).

The spelling of 731302142 in words is "seven hundred thirty-one million, three hundred two thousand, one hundred forty-two".