1311303021032 has 32 divisors (see below), whose sum is σ = 2472844701600. Its totient is φ = 651879432000.

The previous prime is 1311303021029. The next prime is 1311303021079. The reversal of 1311303021032 is 2301203031131.

It is a super-2 number, since 2×1311303021032² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1311303020995 and 1311303021013.

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, 6343319 + ... + 6546777.

It is an arithmetic number, because the mean of its divisors is an integer number (77276396925).

Almost surely, 2^{1311303021032} is an apocalyptic number.

It is an amenable number.

1311303021032 is a deficient number, since it is larger than the sum of its proper divisors (1161541680568).

1311303021032 is a wasteful number, since it uses less digits than its factorization.

1311303021032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208097 (or 208093 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1311303021032 its reverse (2301203031131), we get a palindrome (3612506052163).

The spelling of 1311303021032 in words is "one trillion, three hundred eleven billion, three hundred three million, twenty-one thousand, thirty-two".