1001210013231 has 16 divisors (see below), whose sum is σ = 1378117137408. Its totient is φ = 645891480000.

The previous prime is 1001210013227. The next prime is 1001210013247. The reversal of 1001210013231 is 1323100121001.

It is a happy number.

1001210013231 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1001210013231 - 2² = 1001210013227 is a prime.

It is a super-2 number, since 2×1001210013231² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1001210013231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001210013281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 795060 + ... + 1623126.

It is an arithmetic number, because the mean of its divisors is an integer number (86132321088).

Almost surely, 2^{1001210013231} is an apocalyptic number.

1001210013231 is a deficient number, since it is larger than the sum of its proper divisors (376907124177).

1001210013231 is a wasteful number, since it uses less digits than its factorization.

1001210013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841102.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1001210013231 its reverse (1323100121001), we get a palindrome (2324310134232).

The spelling of 1001210013231 in words is "one trillion, one billion, two hundred ten million, thirteen thousand, two hundred thirty-one".