1031202312201 has 24 divisors (see below), whose sum is σ = 1493971464960. Its totient is φ = 685411918656.

The previous prime is 1031202312193. The next prime is 1031202312221. The reversal of 1031202312201 is 1022132021301.

It is not a de Polignac number, because 1031202312201 - 2³ = 1031202312193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1031202312221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17006800 + ... + 17067326.

It is an arithmetic number, because the mean of its divisors is an integer number (62248811040).

Almost surely, 2^{1031202312201} is an apocalyptic number.

It is an amenable number.

1031202312201 is a deficient number, since it is larger than the sum of its proper divisors (462769152759).

1031202312201 is a wasteful number, since it uses less digits than its factorization.

1031202312201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66165 (or 66162 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1031202312201 its reverse (1022132021301), we get a palindrome (2053334333502).

The spelling of 1031202312201 in words is "one trillion, thirty-one billion, two hundred two million, three hundred twelve thousand, two hundred one".