1031212321130 has 16 divisors (see below), whose sum is σ = 1936885751424. Its totient is φ = 394550801040.

The previous prime is 1031212321127. The next prime is 1031212321133. The reversal of 1031212321130 is 311232121301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1031212321127) and next prime (1031212321133).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1031212321133) 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 7 ways as a sum of consecutive naturals, for example, 2241765686 + ... + 2241766145.

It is an arithmetic number, because the mean of its divisors is an integer number (121055359464).

Almost surely, 2^{1031212321130} is an apocalyptic number.

1031212321130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031212321130 is a deficient number, since it is larger than the sum of its proper divisors (905673430294).

1031212321130 is a wasteful number, since it uses less digits than its factorization.

1031212321130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4483531861.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1031212321130 its reverse (311232121301), we get a palindrome (1342444442431).

The spelling of 1031212321130 in words is "one trillion, thirty-one billion, two hundred twelve million, three hundred twenty-one thousand, one hundred thirty".