1031320001201 has 4 divisors (see below), whose sum is σ = 1178651429952. Its totient is φ = 883988572452.

The previous prime is 1031320001147. The next prime is 1031320001209. The reversal of 1031320001201 is 1021000231301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1031320001201 - 2²² = 1031315806897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031320001209) 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, 73665714365 + ... + 73665714378.

It is an arithmetic number, because the mean of its divisors is an integer number (294662857488).

Almost surely, 2^{1031320001201} is an apocalyptic number.

It is an amenable number.

1031320001201 is a deficient number, since it is larger than the sum of its proper divisors (147331428751).

1031320001201 is an equidigital number, since it uses as much as digits as its factorization.

1031320001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147331428750.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1031320001201 its reverse (1021000231301), we get a palindrome (2052320232502).

The spelling of 1031320001201 in words is "one trillion, thirty-one billion, three hundred twenty million, one thousand, two hundred one".