31232164742 has 8 divisors (see below), whose sum is σ = 48463704000. Its totient is φ = 15077596744.

The previous prime is 31232164727. The next prime is 31232164751. The reversal of 31232164742 is 24746123213.

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

It is a super-2 number, since 2×31232164742² (a number of 22 digits) contains 22 as substring.

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, 269242742 + ... + 269242857.

It is an arithmetic number, because the mean of its divisors is an integer number (6057963000).

Almost surely, 2^31232164742 is an apocalyptic number.

31232164742 is a deficient number, since it is larger than the sum of its proper divisors (17231539258).

31232164742 is a wasteful number, since it uses less digits than its factorization.

31232164742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538485630.

The product of its digits is 48384, while the sum is 35.

Adding to 31232164742 its reverse (24746123213), we get a palindrome (55978287955).

The spelling of 31232164742 in words is "thirty-one billion, two hundred thirty-two million, one hundred sixty-four thousand, seven hundred forty-two".