31301332020001 has 4 divisors (see below), whose sum is σ = 31730117390212. Its totient is φ = 30872546649792.

The previous prime is 31301332019989. The next prime is 31301332020131. The reversal of 31301332020001 is 10002023310313.

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 8494747430625 + 22806584589376 = 2914575^2 + 4775624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31301332020001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31301332026001) 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, 214392684996 + ... + 214392685141.

It is an arithmetic number, because the mean of its divisors is an integer number (7932529347553).

Almost surely, 2^{31301332020001} is an apocalyptic number.

It is an amenable number.

31301332020001 is a deficient number, since it is larger than the sum of its proper divisors (428785370211).

31301332020001 is an equidigital number, since it uses as much as digits as its factorization.

31301332020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428785370210.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31301332020001 its reverse (10002023310313), we get a palindrome (41303355330314).

The spelling of 31301332020001 in words is "thirty-one trillion, three hundred one billion, three hundred thirty-two million, twenty thousand, one".