31052350145 has 8 divisors (see below), whose sum is σ = 37276673256. Its totient is φ = 24832644736.

The previous prime is 31052350139. The next prime is 31052350201. The reversal of 31052350145 is 54105325013.

It can be written as a sum of positive squares in 4 ways, for example, as 6670152241 + 24382197904 = 81671^2 + 156148^2 .

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 31052350145 - 2¹⁰ = 31052349121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1139612 + ... + 1166541.

It is an arithmetic number, because the mean of its divisors is an integer number (4659584157).

Almost surely, 2^31052350145 is an apocalyptic number.

It is an amenable number.

31052350145 is a deficient number, since it is larger than the sum of its proper divisors (6224323111).

31052350145 is a wasteful number, since it uses less digits than its factorization.

31052350145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308851.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 31052350145 its reverse (54105325013), we get a palindrome (85157675158).

The spelling of 31052350145 in words is "thirty-one billion, fifty-two million, three hundred fifty thousand, one hundred forty-five".