231302130302 has 16 divisors (see below), whose sum is σ = 361691236224. Its totient is φ = 110812260000.

The previous prime is 231302130281. The next prime is 231302130307. The reversal of 231302130302 is 203031203132.

It is a super-2 number, since 2×231302130302² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231302130307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18462449 + ... + 18474972.

It is an arithmetic number, because the mean of its divisors is an integer number (22605702264).

Almost surely, 2^231302130302 is an apocalyptic number.

231302130302 is a deficient number, since it is larger than the sum of its proper divisors (130389105922).

231302130302 is a wasteful number, since it uses less digits than its factorization.

231302130302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36937555.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 231302130302 its reverse (203031203132), we get a palindrome (434333333434).

The spelling of 231302130302 in words is "two hundred thirty-one billion, three hundred two million, one hundred thirty thousand, three hundred two".