31142736707 has 8 divisors (see below), whose sum is σ = 31185985200. Its totient is φ = 31099521024.

The previous prime is 31142736689. The next prime is 31142736721. The reversal of 31142736707 is 70763724113.

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 31142736707 - 2¹⁸ = 31142474563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31142736797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2328044 + ... + 2341382.

It is an arithmetic number, because the mean of its divisors is an integer number (3898248150).

Almost surely, 2^31142736707 is an apocalyptic number.

31142736707 is a deficient number, since it is larger than the sum of its proper divisors (43248493).

31142736707 is a wasteful number, since it uses less digits than its factorization.

31142736707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16405.

The product of its (nonzero) digits is 148176, while the sum is 41.

The spelling of 31142736707 in words is "thirty-one billion, one hundred forty-two million, seven hundred thirty-six thousand, seven hundred seven".