231311213002330 has 16 divisors (see below), whose sum is σ = 416360652553800. Its totient is φ = 92524380945472.

The previous prime is 231311213002273. The next prime is 231311213002343. The reversal of 231311213002330 is 33200312113132.

It can be written as a sum of positive squares in 4 ways, for example, as 230366493153241 + 944719849089 = 15177829^2 + 971967^2 .

It is a junction number, because it is equal to n+sod(n) for n = 231311213002295 and 231311213002304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3372469 + ... + 21771448.

Almost surely, 2^{231311213002330} is an apocalyptic number.

231311213002330 is a deficient number, since it is larger than the sum of its proper divisors (185049439551470).

231311213002330 is a wasteful number, since it uses less digits than its factorization.

231311213002330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26063873.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 231311213002330 its reverse (33200312113132), we get a palindrome (264511525115462).

The spelling of 231311213002330 in words is "two hundred thirty-one trillion, three hundred eleven billion, two hundred thirteen million, two thousand, three hundred thirty".