1323100031031 has 8 divisors (see below), whose sum is σ = 1960148194160. Its totient is φ = 882066687336.

The previous prime is 1323100030961. The next prime is 1323100031083. The reversal of 1323100031031 is 1301300013231.

It is a happy number.

1323100031031 is a `hidden beast` number, since 1 + 323 + 1 + 0 + 0 + 0 + 310 + 31 = 666.

It is not a de Polignac number, because 1323100031031 - 2¹⁴ = 1323100014647 is a prime.

It is a super-2 number, since 2×1323100031031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323100030995 and 1323100031013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323100031131) 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, 24501852400 + ... + 24501852453.

It is an arithmetic number, because the mean of its divisors is an integer number (245018524270).

Almost surely, 2^{1323100031031} is an apocalyptic number.

1323100031031 is a deficient number, since it is larger than the sum of its proper divisors (637048163129).

1323100031031 is an equidigital number, since it uses as much as digits as its factorization.

1323100031031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49003704862 (or 49003704856 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1323100031031 its reverse (1301300013231), we get a palindrome (2624400044262).

The spelling of 1323100031031 in words is "one trillion, three hundred twenty-three billion, one hundred million, thirty-one thousand, thirty-one".