231012302233402 has 16 divisors (see below), whose sum is σ = 366953503066920. Its totient is φ = 108696379406848.

The previous prime is 231012302233373. The next prime is 231012302233423. The reversal of 231012302233402 is 204332203210132.

It can be written as a sum of positive squares in 4 ways, for example, as 211577068484721 + 19435233748681 = 14545689^2 + 4408541^2 .

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, 477637003 + ... + 478120414.

Almost surely, 2^{231012302233402} is an apocalyptic number.

231012302233402 is a deficient number, since it is larger than the sum of its proper divisors (135941200833518).

231012302233402 is a wasteful number, since it uses less digits than its factorization.

231012302233402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955764545.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 231012302233402 its reverse (204332203210132), we get a palindrome (435344505443534).

The spelling of 231012302233402 in words is "two hundred thirty-one trillion, twelve billion, three hundred two million, two hundred thirty-three thousand, four hundred two".