31301030220213 has 8 divisors (see below), whose sum is σ = 44945069034208. Its totient is φ = 19262172443184.

The previous prime is 31301030220203. The next prime is 31301030220217. The reversal of 31301030220213 is 31202203010313.

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

It is not a de Polignac number, because 31301030220213 - 2⁵ = 31301030220181 is a prime.

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 31301030220213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31301030220217) 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, 401295259195 + ... + 401295259272.

It is an arithmetic number, because the mean of its divisors is an integer number (5618133629276).

Almost surely, 2^{31301030220213} is an apocalyptic number.

It is an amenable number.

31301030220213 is a deficient number, since it is larger than the sum of its proper divisors (13644038813995).

31301030220213 is a wasteful number, since it uses less digits than its factorization.

31301030220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802590518483.

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

Adding to 31301030220213 its reverse (31202203010313), we get a palindrome (62503233230526).

The spelling of 31301030220213 in words is "thirty-one trillion, three hundred one billion, thirty million, two hundred twenty thousand, two hundred thirteen".