213002302031 has 16 divisors (see below), whose sum is σ = 228357550080. Its totient is φ = 198325993440.

The previous prime is 213002302021. The next prime is 213002302049. The reversal of 213002302031 is 130203200312.

It is a cyclic number.

It is not a de Polignac number, because 213002302031 - 2²⁶ = 212935193167 is a prime.

It is a super-2 number, since 2×213002302031² (a number of 23 digits) contains 22 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 (213002302021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1152956 + ... + 1324881.

It is an arithmetic number, because the mean of its divisors is an integer number (14272346880).

Almost surely, 2^213002302031 is an apocalyptic number.

213002302031 is a deficient number, since it is larger than the sum of its proper divisors (15355248049).

213002302031 is a wasteful number, since it uses less digits than its factorization.

213002302031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477974.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 213002302031 its reverse (130203200312), we get a palindrome (343205502343).

The spelling of 213002302031 in words is "two hundred thirteen billion, two million, three hundred two thousand, thirty-one".