33130231031 has 2 divisors, whose sum is σ = 33130231032. Its totient is φ = 33130231030.

The previous prime is 33130231009. The next prime is 33130231033. The reversal of 33130231031 is 13013203133.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 33130231031 - 2¹⁴ = 33130214647 is a prime.

It is a super-2 number, since 2×33130231031² (a number of 22 digits) contains 22 as substring.

Together with 33130231033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 33130230994 and 33130231012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33130231033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16565115515 + 16565115516.

It is an arithmetic number, because the mean of its divisors is an integer number (16565115516).

Almost surely, 2^33130231031 is an apocalyptic number.

33130231031 is a deficient number, since it is larger than the sum of its proper divisors (1).

33130231031 is an equidigital number, since it uses as much as digits as its factorization.

33130231031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 33130231031 its reverse (13013203133), we get a palindrome (46143434164).

The spelling of 33130231031 in words is "thirty-three billion, one hundred thirty million, two hundred thirty-one thousand, thirty-one".