213241301031 has 32 divisors (see below), whose sum is σ = 328470121728. Its totient is φ = 121614333440.

The previous prime is 213241301027. The next prime is 213241301051. The reversal of 213241301031 is 130103142312.

It is not a de Polignac number, because 213241301031 - 2² = 213241301027 is a prime.

It is a super-2 number, since 2×213241301031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213241300989 and 213241301007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213241301051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3652885 + ... + 3710801.

It is an arithmetic number, because the mean of its divisors is an integer number (10264691304).

Almost surely, 2^213241301031 is an apocalyptic number.

213241301031 is a deficient number, since it is larger than the sum of its proper divisors (115228820697).

213241301031 is a wasteful number, since it uses less digits than its factorization.

213241301031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64511.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213241301031 its reverse (130103142312), we get a palindrome (343344443343).

The spelling of 213241301031 in words is "two hundred thirteen billion, two hundred forty-one million, three hundred one thousand, thirty-one".