31001230001 has 16 divisors (see below), whose sum is σ = 36301480320. Its totient is φ = 25919118720.

The previous prime is 31001229979. The next prime is 31001230019. The reversal of 31001230001 is 10003210013.

It is a cyclic number.

It is not a de Polignac number, because 31001230001 - 2¹⁰ = 31001228977 is a prime.

It is a super-2 number, since 2×31001230001² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31001230021) 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, 2147315 + ... + 2161703.

It is an arithmetic number, because the mean of its divisors is an integer number (2268842520).

Almost surely, 2^31001230001 is an apocalyptic number.

It is an amenable number.

31001230001 is a deficient number, since it is larger than the sum of its proper divisors (5300250319).

31001230001 is a wasteful number, since it uses less digits than its factorization.

31001230001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21944.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 31001230001 its reverse (10003210013), we get a palindrome (41004440014).

The spelling of 31001230001 in words is "thirty-one billion, one million, two hundred thirty thousand, one".