1031212112023 has 4 divisors (see below), whose sum is σ = 1031239749208. Its totient is φ = 1031184474840.

The previous prime is 1031212111981. The next prime is 1031212112027. The reversal of 1031212112023 is 3202112121301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1031212112023 - 2⁹ = 1031212111511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031212112027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13762548 + ... + 13837273.

It is an arithmetic number, because the mean of its divisors is an integer number (257809937302).

Almost surely, 2^{1031212112023} is an apocalyptic number.

1031212112023 is a deficient number, since it is larger than the sum of its proper divisors (27637185).

1031212112023 is an equidigital number, since it uses as much as digits as its factorization.

1031212112023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27637184.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1031212112023 its reverse (3202112121301), we get a palindrome (4233324233324).

The spelling of 1031212112023 in words is "one trillion, thirty-one billion, two hundred twelve million, one hundred twelve thousand, twenty-three".