2231301311012 has 6 divisors (see below), whose sum is σ = 3904777294278. Its totient is φ = 1115650655504.

The previous prime is 2231301310949. The next prime is 2231301311069. The reversal of 2231301311012 is 2101131031322.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2098859177536 + 132442133476 = 1448744^2 + 363926^2 .

It is a super-3 number, since 3×2231301311012³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278912663873 + ... + 278912663880.

It is an arithmetic number, because the mean of its divisors is an integer number (650796215713).

Almost surely, 2^{2231301311012} is an apocalyptic number.

It is an amenable number.

2231301311012 is a deficient number, since it is larger than the sum of its proper divisors (1673475983266).

2231301311012 is a wasteful number, since it uses less digits than its factorization.

2231301311012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557825327757 (or 557825327755 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2231301311012 its reverse (2101131031322), we get a palindrome (4332432342334).

The spelling of 2231301311012 in words is "two trillion, two hundred thirty-one billion, three hundred one million, three hundred eleven thousand, twelve".