31430424032133 has 32 divisors (see below), whose sum is σ = 47917069896960. Its totient is φ = 17951585541120.

The previous prime is 31430424032131. The next prime is 31430424032149. The reversal of 31430424032133 is 33123042403413.

It is a happy number.

It is not a de Polignac number, because 31430424032133 - 2¹ = 31430424032131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31430424032094 and 31430424032103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31430424032131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389775063 + ... + 389855691.

It is an arithmetic number, because the mean of its divisors is an integer number (1497408434280).

Almost surely, 2^{31430424032133} is an apocalyptic number.

It is an amenable number.

31430424032133 is a deficient number, since it is larger than the sum of its proper divisors (16486645864827).

31430424032133 is a wasteful number, since it uses less digits than its factorization.

31430424032133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89357.

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 31430424032133 its reverse (33123042403413), we get a palindrome (64553466435546).

The spelling of 31430424032133 in words is "thirty-one trillion, four hundred thirty billion, four hundred twenty-four million, thirty-two thousand, one hundred thirty-three".