31423203201 has 8 divisors (see below), whose sum is σ = 45120496960. Its totient is φ = 19337355792.

The previous prime is 31423203197. The next prime is 31423203241. The reversal of 31423203201 is 10230232413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31423203201 - 2² = 31423203197 is a prime.

It is a super-2 number, since 2×31423203201² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31423203241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402861541 + ... + 402861618.

It is an arithmetic number, because the mean of its divisors is an integer number (5640062120).

Almost surely, 2^31423203201 is an apocalyptic number.

It is an amenable number.

31423203201 is a deficient number, since it is larger than the sum of its proper divisors (13697293759).

31423203201 is a wasteful number, since it uses less digits than its factorization.

31423203201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805723175.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 31423203201 its reverse (10230232413), we get a palindrome (41653435614).

The spelling of 31423203201 in words is "thirty-one billion, four hundred twenty-three million, two hundred three thousand, two hundred one".