231520211552002 has 8 divisors (see below), whose sum is σ = 348071388667200. Its totient is φ = 115496415329604.

The previous prime is 231520211551973. The next prime is 231520211552027. The reversal of 231520211552002 is 200255112025132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131845222102 + ... + 131845223857.

It is an arithmetic number, because the mean of its divisors is an integer number (43508923583400).

Almost surely, 2^{231520211552002} is an apocalyptic number.

231520211552002 is a deficient number, since it is larger than the sum of its proper divisors (116551177115198).

231520211552002 is a wasteful number, since it uses less digits than its factorization.

231520211552002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263690446400.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 231520211552002 its reverse (200255112025132), we get a palindrome (431775323577134).

The spelling of 231520211552002 in words is "two hundred thirty-one trillion, five hundred twenty billion, two hundred eleven million, five hundred fifty-two thousand, two".