31430033153 has 4 divisors (see below), whose sum is σ = 31442222640. Its totient is φ = 31417843668.

The previous prime is 31430033021. The next prime is 31430033161. The reversal of 31430033153 is 35133003413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35133003413 = 43 ⋅817046591.

It is a cyclic number.

It is not a de Polignac number, because 31430033153 - 2⁸ = 31430032897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31430033353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6090875 + ... + 6096032.

It is an arithmetic number, because the mean of its divisors is an integer number (7860555660).

Almost surely, 2^31430033153 is an apocalyptic number.

It is an amenable number.

31430033153 is a deficient number, since it is larger than the sum of its proper divisors (12189487).

31430033153 is a wasteful number, since it uses less digits than its factorization.

31430033153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12189486.

The product of its (nonzero) digits is 4860, while the sum is 26.

Adding to 31430033153 its reverse (35133003413), we get a palindrome (66563036566).

The spelling of 31430033153 in words is "thirty-one billion, four hundred thirty million, thirty-three thousand, one hundred fifty-three".