31020201332013 has 8 divisors (see below), whose sum is σ = 42786484596000. Its totient is φ = 19967026144688.

The previous prime is 31020201332009. The next prime is 31020201332041. The reversal of 31020201332013 is 31023310202013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31020201332013 - 2² = 31020201332009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31020201332053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178277019063 + ... + 178277019236.

It is an arithmetic number, because the mean of its divisors is an integer number (5348310574500).

Almost surely, 2^{31020201332013} is an apocalyptic number.

It is an amenable number.

31020201332013 is a deficient number, since it is larger than the sum of its proper divisors (11766283263987).

31020201332013 is a wasteful number, since it uses less digits than its factorization.

31020201332013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356554038331.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31020201332013 its reverse (31023310202013), we get a palindrome (62043511534026).

The spelling of 31020201332013 in words is "thirty-one trillion, twenty billion, two hundred one million, three hundred thirty-two thousand, thirteen".