31230000001 has 16 divisors (see below), whose sum is σ = 33312384000. Its totient is φ = 29214420048.

The previous prime is 31229999959. The next prime is 31230000007. The reversal of 31230000001 is 10000003213.

It is not a de Polignac number, because 31230000001 - 2¹³ = 31229991809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31230000007) 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, 141300 + ... + 287098.

It is an arithmetic number, because the mean of its divisors is an integer number (2082024000).

Almost surely, 2^31230000001 is an apocalyptic number.

It is an amenable number.

31230000001 is a deficient number, since it is larger than the sum of its proper divisors (2082383999).

31230000001 is a wasteful number, since it uses less digits than its factorization.

31230000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146028.

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 31230000001 its reverse (10000003213), we get a palindrome (41230003214).

It can be divided in two parts, 31 and 230000001, that added together give a palindrome (230000032).

The spelling of 31230000001 in words is "thirty-one billion, two hundred thirty million, one", and thus it is an aban number.