31011330130 has 128 divisors (see below), whose sum is σ = 68019160320. Its totient is φ = 10032906240.

The previous prime is 31011330101. The next prime is 31011330137. The reversal of 31011330130 is 3103311013.

It is not an unprimeable number, because it can be changed into a prime (31011330137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26895634 + ... + 26896786.

It is an arithmetic number, because the mean of its divisors is an integer number (531399690).

Almost surely, 2^31011330130 is an apocalyptic number.

31011330130 is an abundant number, since it is smaller than the sum of its proper divisors (37007830190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31011330130 is a wasteful number, since it uses less digits than its factorization.

31011330130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 31011330130 its reverse (3103311013), we get a palindrome (34114641143).

The spelling of 31011330130 in words is "thirty-one billion, eleven million, three hundred thirty thousand, one hundred thirty".