1020431300201 has 4 divisors (see below), whose sum is σ = 1020875547732. Its totient is φ = 1019987052672.

The previous prime is 1020431300113. The next prime is 1020431300263. The reversal of 1020431300201 is 1020031340201.

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 781456000000 + 238975300201 = 884000^2 + 488851^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020431300201 - 2²² = 1020427105897 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 1020431300201.

It is not an unprimeable number, because it can be changed into a prime (1020431300101) 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, 222120320 + ... + 222124913.

It is an arithmetic number, because the mean of its divisors is an integer number (255218886933).

Almost surely, 2^{1020431300201} is an apocalyptic number.

It is an amenable number.

1020431300201 is a deficient number, since it is larger than the sum of its proper divisors (444247531).

1020431300201 is an equidigital number, since it uses as much as digits as its factorization.

1020431300201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444247530.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1020431300201 its reverse (1020031340201), we get a palindrome (2040462640402).

The spelling of 1020431300201 in words is "one trillion, twenty billion, four hundred thirty-one million, three hundred thousand, two hundred one".