31001011130 has 16 divisors (see below), whose sum is σ = 59084280360. Its totient is φ = 11670968832.

The previous prime is 31001011091. The next prime is 31001011157. The reversal of 31001011130 is 3111010013.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25113057841 + 5887953289 = 158471^2 + 76733^2 .

It is a super-2 number, since 2×31001011130² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91179275 + ... + 91179614.

Almost surely, 2^31001011130 is an apocalyptic number.

31001011130 is a deficient number, since it is larger than the sum of its proper divisors (28083269230).

31001011130 is a wasteful number, since it uses less digits than its factorization.

31001011130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182358913.

The product of its (nonzero) digits is 9, while the sum is 11.

Adding to 31001011130 its reverse (3111010013), we get a palindrome (34112021143).

The spelling of 31001011130 in words is "thirty-one billion, one million, eleven thousand, one hundred thirty".