31010130001 has 4 divisors (see below), whose sum is σ = 31165960000. Its totient is φ = 30854300004.

The previous prime is 31010129971. The next prime is 31010130023. The reversal of 31010130001 is 10003101013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31010130001 - 2¹⁵ = 31010097233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31010130001.

It is not an unprimeable number, because it can be changed into a prime (31010130401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77914701 + ... + 77915098.

It is an arithmetic number, because the mean of its divisors is an integer number (7791490000).

Almost surely, 2^31010130001 is an apocalyptic number.

It is an amenable number.

31010130001 is a deficient number, since it is larger than the sum of its proper divisors (155829999).

31010130001 is a wasteful number, since it uses less digits than its factorization.

31010130001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155829998.

The product of its (nonzero) digits is 9, while the sum is 10.

Adding to 31010130001 its reverse (10003101013), we get a palindrome (41013231014).

The spelling of 31010130001 in words is "thirty-one billion, ten million, one hundred thirty thousand, one".