1211300102031 has 8 divisors (see below), whose sum is σ = 1700070318720. Its totient is φ = 765031643352.

The previous prime is 1211300102011. The next prime is 1211300102063. The reversal of 1211300102031 is 1302010031121.

It is a happy number.

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

It is not a de Polignac number, because 1211300102031 - 2¹¹ = 1211300099983 is a prime.

It is a super-2 number, since 2×1211300102031² (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 1211300102031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211300102011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10625439435 + ... + 10625439548.

It is an arithmetic number, because the mean of its divisors is an integer number (212508789840).

Almost surely, 2^{1211300102031} is an apocalyptic number.

1211300102031 is a deficient number, since it is larger than the sum of its proper divisors (488770216689).

1211300102031 is a wasteful number, since it uses less digits than its factorization.

1211300102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21250879005.

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

Adding to 1211300102031 its reverse (1302010031121), we get a palindrome (2513310133152).

The spelling of 1211300102031 in words is "one trillion, two hundred eleven billion, three hundred million, one hundred two thousand, thirty-one".