31200013240130 has 32 divisors (see below), whose sum is σ = 64187992632960. Its totient is φ = 10696296021120.

The previous prime is 31200013240087. The next prime is 31200013240139. The reversal of 31200013240130 is 3104231000213.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31200013240139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16850876 + ... + 18610535.

It is an arithmetic number, because the mean of its divisors is an integer number (2005874769780).

Almost surely, 2^{31200013240130} is an apocalyptic number.

31200013240130 is an abundant number, since it is smaller than the sum of its proper divisors (32987979392830).

31200013240130 is a wasteful number, since it uses less digits than its factorization.

31200013240130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35473994.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31200013240130 its reverse (3104231000213), we get a palindrome (34304244240343).

The spelling of 31200013240130 in words is "thirty-one trillion, two hundred billion, thirteen million, two hundred forty thousand, one hundred thirty".