10203140031401 has 4 divisors (see below), whose sum is σ = 10308327042132. Its totient is φ = 10097953020672.

The previous prime is 10203140031389. The next prime is 10203140031421. The reversal of 10203140031401 is 10413004130201.

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 1803315951376 + 8399824080025 = 1342876^2 + 2898245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10203140031401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10203140031421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52593505220 + ... + 52593505413.

It is an arithmetic number, because the mean of its divisors is an integer number (2577081760533).

Almost surely, 2^{10203140031401} is an apocalyptic number.

It is an amenable number.

10203140031401 is a deficient number, since it is larger than the sum of its proper divisors (105187010731).

10203140031401 is an equidigital number, since it uses as much as digits as its factorization.

10203140031401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105187010730.

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

Adding to 10203140031401 its reverse (10413004130201), we get a palindrome (20616144161602).

The spelling of 10203140031401 in words is "ten trillion, two hundred three billion, one hundred forty million, thirty-one thousand, four hundred one".