31321303112201 has 16 divisors (see below), whose sum is σ = 33187503360000. Its totient is φ = 29497584040848.

The previous prime is 31321303112137. The next prime is 31321303112207. The reversal of 31321303112201 is 10221130312313.

It is a cyclic number.

It is not a de Polignac number, because 31321303112201 - 2⁶ = 31321303112137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31321303112207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2003411 + ... + 8164328.

It is an arithmetic number, because the mean of its divisors is an integer number (2074218960000).

Almost surely, 2^{31321303112201} is an apocalyptic number.

It is an amenable number.

31321303112201 is a deficient number, since it is larger than the sum of its proper divisors (1866200247799).

31321303112201 is a wasteful number, since it uses less digits than its factorization.

31321303112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10169828.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 31321303112201 its reverse (10221130312313), we get a palindrome (41542433424514).

The spelling of 31321303112201 in words is "thirty-one trillion, three hundred twenty-one billion, three hundred three million, one hundred twelve thousand, two hundred one".