31142100304001 has 4 divisors (see below), whose sum is σ = 31147030197972. Its totient is φ = 31137170410032.

The previous prime is 31142100303991. The next prime is 31142100304033. The reversal of 31142100304001 is 10040300124113.

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 21594618294001 + 9547482010000 = 4647001^2 + 3089900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31142100304001 is a prime.

It is a super-2 number, since 2×31142100304001² (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 (31142100304901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2464937510 + ... + 2464950143.

It is an arithmetic number, because the mean of its divisors is an integer number (7786757549493).

Almost surely, 2^{31142100304001} is an apocalyptic number.

It is an amenable number.

31142100304001 is a deficient number, since it is larger than the sum of its proper divisors (4929893971).

31142100304001 is an equidigital number, since it uses as much as digits as its factorization.

31142100304001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4929893970.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31142100304001 its reverse (10040300124113), we get a palindrome (41182400428114).

The spelling of 31142100304001 in words is "thirty-one trillion, one hundred forty-two billion, one hundred million, three hundred four thousand, one".