213031141031 has 4 divisors (see below), whose sum is σ = 213080242200. Its totient is φ = 212982039864.

The previous prime is 213031141027. The next prime is 213031141073. The reversal of 213031141031 is 130141130312.

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

It is a cyclic number.

It is not a de Polignac number, because 213031141031 - 2² = 213031141027 is a prime.

It is a super-2 number, since 2×213031141031² (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 = 213031140994 and 213031141012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213031141831) 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, 24544076 + ... + 24552753.

It is an arithmetic number, because the mean of its divisors is an integer number (53270060550).

Almost surely, 2^213031141031 is an apocalyptic number.

213031141031 is a deficient number, since it is larger than the sum of its proper divisors (49101169).

213031141031 is an equidigital number, since it uses as much as digits as its factorization.

213031141031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49101168.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213031141031 its reverse (130141130312), we get a palindrome (343172271343).

The spelling of 213031141031 in words is "two hundred thirteen billion, thirty-one million, one hundred forty-one thousand, thirty-one".