1031213122123 has 8 divisors (see below), whose sum is σ = 1092151114128. Its totient is φ = 970306063104.

The previous prime is 1031213122117. The next prime is 1031213122129. The reversal of 1031213122123 is 3212213121301.

It is an interprime number because it is at equal distance from previous prime (1031213122117) and next prime (1031213122129).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031213122123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1031213122094 and 1031213122103.

It is not an unprimeable number, because it can be changed into a prime (1031213122129) 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, 7664586 + ... + 7797967.

It is an arithmetic number, because the mean of its divisors is an integer number (136518889266).

Almost surely, 2^{1031213122123} is an apocalyptic number.

1031213122123 is a deficient number, since it is larger than the sum of its proper divisors (60937992005).

1031213122123 is a wasteful number, since it uses less digits than its factorization.

1031213122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15466493.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1031213122123 its reverse (3212213121301), we get a palindrome (4243426243424).

The spelling of 1031213122123 in words is "one trillion, thirty-one billion, two hundred thirteen million, one hundred twenty-two thousand, one hundred twenty-three".