313121111231033 has 24 divisors (see below), whose sum is σ = 380084580241920. Its totient is φ = 256717032929280.

The previous prime is 313121111231029. The next prime is 313121111231039. The reversal of 313121111231033 is 330132111121313.

It is not a de Polignac number, because 313121111231033 - 2² = 313121111231029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 313121111230993 and 313121111231011.

It is not an unprimeable number, because it can be changed into a prime (313121111231039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85629368 + ... + 89211158.

It is an arithmetic number, because the mean of its divisors is an integer number (15836857510080).

Almost surely, 2^{313121111231033} is an apocalyptic number.

It is an amenable number.

313121111231033 is a deficient number, since it is larger than the sum of its proper divisors (66963469010887).

313121111231033 is a wasteful number, since it uses less digits than its factorization.

313121111231033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3659397 (or 3659390 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 313121111231033 its reverse (330132111121313), we get a palindrome (643253222352346).

The spelling of 313121111231033 in words is "three hundred thirteen trillion, one hundred twenty-one billion, one hundred eleven million, two hundred thirty-one thousand, thirty-three".