1311201000232 has 32 divisors (see below), whose sum is σ = 2474209670400. Its totient is φ = 651423508864.

The previous prime is 1311201000211. The next prime is 1311201000247. The reversal of 1311201000232 is 2320001021131.

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, 158583 + ... + 1627129.

It is an arithmetic number, because the mean of its divisors is an integer number (77319052200).

Almost surely, 2^{1311201000232} is an apocalyptic number.

It is an amenable number.

1311201000232 is a deficient number, since it is larger than the sum of its proper divisors (1163008670168).

1311201000232 is a wasteful number, since it uses less digits than its factorization.

1311201000232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469265 (or 1469261 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1311201000232 its reverse (2320001021131), we get a palindrome (3631202021363).

The spelling of 1311201000232 in words is "one trillion, three hundred eleven billion, two hundred one million, two hundred thirty-two", and thus it is an aban number.