31230130021201 has 12 divisors (see below), whose sum is σ = 32314933670400. Its totient is φ = 30180671442120.

The previous prime is 31230130021199. The next prime is 31230130021249. The reversal of 31230130021201 is 10212003103213.

It is not a de Polignac number, because 31230130021201 - 2¹ = 31230130021199 is a prime.

It is a super-2 number, since 2×31230130021201² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31230130051201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21908161 + ... + 23290078.

It is an arithmetic number, because the mean of its divisors is an integer number (2692911139200).

Almost surely, 2^{31230130021201} is an apocalyptic number.

31230130021201 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31230130021201 is a deficient number, since it is larger than the sum of its proper divisors (1084803649199).

31230130021201 is an equidigital number, since it uses as much as digits as its factorization.

31230130021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45199020 (or 45198989 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31230130021201 its reverse (10212003103213), we get a palindrome (41442133124414).

The spelling of 31230130021201 in words is "thirty-one trillion, two hundred thirty billion, one hundred thirty million, twenty-one thousand, two hundred one".