231121301332 has 6 divisors (see below), whose sum is σ = 404462277338. Its totient is φ = 115560650664.

The previous prime is 231121301321. The next prime is 231121301353. The reversal of 231121301332 is 233103121132.

It can be written as a sum of positive squares in only one way, i.e., 230818750096 + 302551236 = 480436^2 + 17394^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28890162663 + ... + 28890162670.

Almost surely, 2^231121301332 is an apocalyptic number.

It is an amenable number.

231121301332 is a deficient number, since it is larger than the sum of its proper divisors (173340976006).

231121301332 is a wasteful number, since it uses less digits than its factorization.

231121301332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57780325337 (or 57780325335 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 231121301332 its reverse (233103121132), we get a palindrome (464224422464).

The spelling of 231121301332 in words is "two hundred thirty-one billion, one hundred twenty-one million, three hundred one thousand, three hundred thirty-two".