31202213133013 has 48 divisors (see below), whose sum is σ = 36329240344320. Its totient is φ = 26731273750272.

The previous prime is 31202213133011. The next prime is 31202213133019. The reversal of 31202213133013 is 31033131220213.

It is not a de Polignac number, because 31202213133013 - 2¹ = 31202213133011 is a prime.

It is a super-3 number, since 3×31202213133013³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31202213133011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14014420 + ... + 16087522.

It is an arithmetic number, because the mean of its divisors is an integer number (756859173840).

Almost surely, 2^{31202213133013} is an apocalyptic number.

It is an amenable number.

31202213133013 is a deficient number, since it is larger than the sum of its proper divisors (5127027211307).

31202213133013 is a wasteful number, since it uses less digits than its factorization.

31202213133013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073278 (or 2073265 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 31202213133013 its reverse (31033131220213), we get a palindrome (62235344353226).

The spelling of 31202213133013 in words is "thirty-one trillion, two hundred two billion, two hundred thirteen million, one hundred thirty-three thousand, thirteen".