133310213031 has 4 divisors (see below), whose sum is σ = 177746950712. Its totient is φ = 88873475352.

The previous prime is 133310213011. The next prime is 133310213041. The reversal of 133310213031 is 130312013331.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 133310213031 - 2²⁶ = 133243104167 is a prime.

It is a super-2 number, since 2×133310213031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133310212989 and 133310213007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133310213011) 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, 22218368836 + ... + 22218368841.

It is an arithmetic number, because the mean of its divisors is an integer number (44436737678).

Almost surely, 2^133310213031 is an apocalyptic number.

133310213031 is a deficient number, since it is larger than the sum of its proper divisors (44436737681).

133310213031 is an equidigital number, since it uses as much as digits as its factorization.

133310213031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44436737680.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 133310213031 its reverse (130312013331), we get a palindrome (263622226362).

The spelling of 133310213031 in words is "one hundred thirty-three billion, three hundred ten million, two hundred thirteen thousand, thirty-one".