210113220231231 has 16 divisors (see below), whose sum is σ = 286139773269504. Its totient is φ = 137081660220224.

The previous prime is 210113220231133. The next prime is 210113220231263. The reversal of 210113220231231 is 132132022311012.

It is a cyclic number.

It is not a de Polignac number, because 210113220231231 - 2¹⁵ = 210113220198463 is a prime.

It is a super-2 number, since 2×210113220231231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210113220231731) 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, 71880246 + ... + 74746211.

It is an arithmetic number, because the mean of its divisors is an integer number (17883735829344).

Almost surely, 2^{210113220231231} is an apocalyptic number.

210113220231231 is a deficient number, since it is larger than the sum of its proper divisors (76026553038273).

210113220231231 is a wasteful number, since it uses less digits than its factorization.

210113220231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146636670.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 210113220231231 its reverse (132132022311012), we get a palindrome (342245242542243).

The spelling of 210113220231231 in words is "two hundred ten trillion, one hundred thirteen billion, two hundred twenty million, two hundred thirty-one thousand, two hundred thirty-one".