31136228357 has 8 divisors (see below), whose sum is σ = 34989206784. Its totient is φ = 27491519088.

The previous prime is 31136228329. The next prime is 31136228411. The reversal of 31136228357 is 75382263113.

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 31136228357 - 2¹⁴ = 31136211973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31136228257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52066973 + ... + 52067570.

It is an arithmetic number, because the mean of its divisors is an integer number (4373650848).

Almost surely, 2^31136228357 is an apocalyptic number.

It is an amenable number.

31136228357 is a deficient number, since it is larger than the sum of its proper divisors (3852978427).

31136228357 is a wasteful number, since it uses less digits than its factorization.

31136228357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104134579.

The product of its digits is 181440, while the sum is 41.

The spelling of 31136228357 in words is "thirty-one billion, one hundred thirty-six million, two hundred twenty-eight thousand, three hundred fifty-seven".