31133232132230 has 16 divisors (see below), whose sum is σ = 56041687430784. Its totient is φ = 12452877387840.

The previous prime is 31133232132179. The next prime is 31133232132239. The reversal of 31133232132230 is 3223123233113.

It is a junction number, because it is equal to n+sod(n) for n = 31133232132193 and 31133232132202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31133232132239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51618311 + ... + 52217970.

It is an arithmetic number, because the mean of its divisors is an integer number (3502605464424).

Almost surely, 2^{31133232132230} is an apocalyptic number.

31133232132230 is a deficient number, since it is larger than the sum of its proper divisors (24908455298554).

31133232132230 is a wasteful number, since it uses less digits than its factorization.

31133232132230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103866271.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 31133232132230 its reverse (3223123233113), we get a palindrome (34356355365343).

The spelling of 31133232132230 in words is "thirty-one trillion, one hundred thirty-three billion, two hundred thirty-two million, one hundred thirty-two thousand, two hundred thirty".