1031321123119 has 32 divisors (see below), whose sum is σ = 1206587289600. Its totient is φ = 863293317120.

The previous prime is 1031321123117. The next prime is 1031321123141. The reversal of 1031321123119 is 9113211231301.

It is a cyclic number.

It is not a de Polignac number, because 1031321123119 - 2¹ = 1031321123117 is a prime.

It is a super-2 number, since 2×1031321123119² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031321123111) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 111622302 + ... + 111631540.

It is an arithmetic number, because the mean of its divisors is an integer number (37705852800).

Almost surely, 2^{1031321123119} is an apocalyptic number.

1031321123119 is a deficient number, since it is larger than the sum of its proper divisors (175266166481).

1031321123119 is an equidigital number, since it uses as much as digits as its factorization.

1031321123119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11503.

The product of its (nonzero) digits is 972, while the sum is 28.

It can be divided in two parts, 1031321 and 123119, that added together give a triangular number (1154440 = T₁₅₁₉).

The spelling of 1031321123119 in words is "one trillion, thirty-one billion, three hundred twenty-one million, one hundred twenty-three thousand, one hundred nineteen".