231302122132 has 24 divisors (see below), whose sum is σ = 408608867520. Its totient is φ = 114556981440.

The previous prime is 231302122123. The next prime is 231302122141. The reversal of 231302122132 is 231221203132.

It is an interprime number because it is at equal distance from previous prime (231302122123) and next prime (231302122141).

It is a congruent number.

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, 4421344 + ... + 4473352.

It is an arithmetic number, because the mean of its divisors is an integer number (17025369480).

Almost surely, 2^231302122132 is an apocalyptic number.

It is an amenable number.

231302122132 is a deficient number, since it is larger than the sum of its proper divisors (177306745388).

231302122132 is a wasteful number, since it uses less digits than its factorization.

231302122132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62511 (or 62509 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 231302122132 its reverse (231221203132), we get a palindrome (462523325264).

The spelling of 231302122132 in words is "two hundred thirty-one billion, three hundred two million, one hundred twenty-two thousand, one hundred thirty-two".