1303231212111 has 8 divisors (see below), whose sum is σ = 1746644941360. Its totient is φ = 864319145472.

The previous prime is 1303231212029. The next prime is 1303231212139. The reversal of 1303231212111 is 1112121323031.

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

It is not a de Polignac number, because 1303231212111 - 2⁷ = 1303231211983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303231212611) 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, 1125414976 + ... + 1125416133.

It is an arithmetic number, because the mean of its divisors is an integer number (218330617670).

Almost surely, 2^{1303231212111} is an apocalyptic number.

1303231212111 is a deficient number, since it is larger than the sum of its proper divisors (443413729249).

1303231212111 is a wasteful number, since it uses less digits than its factorization.

1303231212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250831305.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1303231212111 its reverse (1112121323031), we get a palindrome (2415352535142).

The spelling of 1303231212111 in words is "one trillion, three hundred three billion, two hundred thirty-one million, two hundred twelve thousand, one hundred eleven".