31023220030101 has 40 divisors (see below), whose sum is σ = 49964851107864. Its totient is φ = 19069541821440.

The previous prime is 31023220030087. The next prime is 31023220030111. The reversal of 31023220030101 is 10103002232013.

31023220030101 is a `hidden beast` number, since 310 + 2 + 3 + 220 + 0 + 30 + 101 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 731240475876 + 30291979554225 = 855126^2 + 5503815^2 .

It is not a de Polignac number, because 31023220030101 - 2⁵ = 31023220030069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023220030111) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15792936 + ... + 17648321.

Almost surely, 2^{31023220030101} is an apocalyptic number.

It is an amenable number.

31023220030101 is a deficient number, since it is larger than the sum of its proper divisors (18941631077763).

31023220030101 is a wasteful number, since it uses less digits than its factorization.

31023220030101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33442163 (or 33442154 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31023220030101 its reverse (10103002232013), we get a palindrome (41126222262114).

The spelling of 31023220030101 in words is "thirty-one trillion, twenty-three billion, two hundred twenty million, thirty thousand, one hundred one".