231110023001002 has 4 divisors (see below), whose sum is σ = 346665034501506. Its totient is φ = 115555011500500.

The previous prime is 231110023000973. The next prime is 231110023001009. The reversal of 231110023001002 is 200100320011132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 207257455880721 + 23852567120281 = 14396439^2 + 4883909^2 .

It is not an unprimeable number, because it can be changed into a prime (231110023001009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57777505750249 + ... + 57777505750252.

Almost surely, 2^{231110023001002} is an apocalyptic number.

231110023001002 is a deficient number, since it is larger than the sum of its proper divisors (115555011500504).

231110023001002 is a wasteful number, since it uses less digits than its factorization.

231110023001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115555011500503.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 231110023001002 its reverse (200100320011132), we get a palindrome (431210343012134).

The spelling of 231110023001002 in words is "two hundred thirty-one trillion, one hundred ten billion, twenty-three million, one thousand, two".