1031031321130 has 16 divisors (see below), whose sum is σ = 1878216094944. Its totient is φ = 407443702480.

The previous prime is 1031031321121. The next prime is 1031031321137. The reversal of 1031031321130 is 311231301301.

It is a junction number, because it is equal to n+sod(n) for n = 1031031321098 and 1031031321107.

It is not an unprimeable number, because it can be changed into a prime (1031031321137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621102376 + ... + 621104035.

It is an arithmetic number, because the mean of its divisors is an integer number (117388505934).

Almost surely, 2^{1031031321130} is an apocalyptic number.

1031031321130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031031321130 is a deficient number, since it is larger than the sum of its proper divisors (847184773814).

1031031321130 is a wasteful number, since it uses less digits than its factorization.

1031031321130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242206501.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1031031321130 its reverse (311231301301), we get a palindrome (1342262622431).

The spelling of 1031031321130 in words is "one trillion, thirty-one billion, thirty-one million, three hundred twenty-one thousand, one hundred thirty".