1031451150423 has 4 divisors (see below), whose sum is σ = 1375268200568. Its totient is φ = 687634100280.

The previous prime is 1031451150397. The next prime is 1031451150427. The reversal of 1031451150423 is 3240511541301.

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

It is not a de Polignac number, because 1031451150423 - 2²⁶ = 1031384041559 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 (1031451150427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171908525068 + ... + 171908525073.

It is an arithmetic number, because the mean of its divisors is an integer number (343817050142).

Almost surely, 2^{1031451150423} is an apocalyptic number.

1031451150423 is a deficient number, since it is larger than the sum of its proper divisors (343817050145).

1031451150423 is an equidigital number, since it uses as much as digits as its factorization.

1031451150423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343817050144.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 1031451150423 its reverse (3240511541301), we get a palindrome (4271962691724).

The spelling of 1031451150423 in words is "one trillion, thirty-one billion, four hundred fifty-one million, one hundred fifty thousand, four hundred twenty-three".