31368737006 has 4 divisors (see below), whose sum is σ = 47053105512. Its totient is φ = 15684368502.

The previous prime is 31368736877. The next prime is 31368737009. The reversal of 31368737006 is 60073786313.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60073786313 = 19 ⋅3161778227.

It is a super-2 number, since 2×31368737006² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31368737009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7842184250 + ... + 7842184253.

It is an arithmetic number, because the mean of its divisors is an integer number (11763276378).

Almost surely, 2^31368737006 is an apocalyptic number.

31368737006 is a deficient number, since it is larger than the sum of its proper divisors (15684368506).

31368737006 is a wasteful number, since it uses less digits than its factorization.

31368737006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15684368505.

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 31368737006 in words is "thirty-one billion, three hundred sixty-eight million, seven hundred thirty-seven thousand, six".