213001054031 has 4 divisors (see below), whose sum is σ = 213257992200. Its totient is φ = 212744115864.

The previous prime is 213001053989. The next prime is 213001054043. The reversal of 213001054031 is 130450100312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213001054031 is a prime.

It is a super-2 number, since 2×213001054031² (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 = 213001053994 and 213001054012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213001054051) 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, 128467841 + ... + 128469498.

It is an arithmetic number, because the mean of its divisors is an integer number (53314498050).

Almost surely, 2^213001054031 is an apocalyptic number.

213001054031 is a deficient number, since it is larger than the sum of its proper divisors (256938169).

213001054031 is an equidigital number, since it uses as much as digits as its factorization.

213001054031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256938168.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 213001054031 its reverse (130450100312), we get a palindrome (343451154343).

The spelling of 213001054031 in words is "two hundred thirteen billion, one million, fifty-four thousand, thirty-one".