3133012303021 has 4 divisors (see below), whose sum is σ = 3137286536092. Its totient is φ = 3128738069952.

The previous prime is 3133012302989. The next prime is 3133012303073. The reversal of 3133012303021 is 1203032103313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2425712800900 + 707299502121 = 1557470^2 + 841011^2 .

It is a cyclic number.

It is not a de Polignac number, because 3133012303021 - 2⁵ = 3133012302989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3133012302983 and 3133012303001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133012303121) 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, 2137115436 + ... + 2137116901.

It is an arithmetic number, because the mean of its divisors is an integer number (784321634023).

Almost surely, 2^{3133012303021} is an apocalyptic number.

It is an amenable number.

3133012303021 is a deficient number, since it is larger than the sum of its proper divisors (4274233071).

3133012303021 is an equidigital number, since it uses as much as digits as its factorization.

3133012303021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4274233070.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 3133012303021 its reverse (1203032103313), we get a palindrome (4336044406334).

The spelling of 3133012303021 in words is "three trillion, one hundred thirty-three billion, twelve million, three hundred three thousand, twenty-one".