33231310201013 has 4 divisors (see below), whose sum is σ = 33244890632640. Its totient is φ = 33217729769388.

The previous prime is 33231310201009. The next prime is 33231310201073. The reversal of 33231310201013 is 31010201313233.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33231310201013 - 2² = 33231310201009 is a prime.

It is a super-2 number, since 2×33231310201013² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33231310201013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33231310201073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6790212143 + ... + 6790217036.

It is an arithmetic number, because the mean of its divisors is an integer number (8311222658160).

Almost surely, 2^{33231310201013} is an apocalyptic number.

It is an amenable number.

33231310201013 is a deficient number, since it is larger than the sum of its proper divisors (13580431627).

33231310201013 is a wasteful number, since it uses less digits than its factorization.

33231310201013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13580431626.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 33231310201013 its reverse (31010201313233), we get a palindrome (64241511514246).

The spelling of 33231310201013 in words is "thirty-three trillion, two hundred thirty-one billion, three hundred ten million, two hundred one thousand, thirteen".