1031440222151 has 8 divisors (see below), whose sum is σ = 1052540864784. Its totient is φ = 1010400302080.

The previous prime is 1031440222147. The next prime is 1031440222171. The reversal of 1031440222151 is 1512220441301.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1031440222151 - 2² = 1031440222147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031440222151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031440222171) 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 7 ways as a sum of consecutive naturals, for example, 15146321 + ... + 15214266.

It is an arithmetic number, because the mean of its divisors is an integer number (131567608098).

Almost surely, 2^{1031440222151} is an apocalyptic number.

1031440222151 is a deficient number, since it is larger than the sum of its proper divisors (21100642633).

1031440222151 is an equidigital number, since it uses as much as digits as its factorization.

1031440222151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30361281.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1031440222151 its reverse (1512220441301), we get a palindrome (2543660663452).

The spelling of 1031440222151 in words is "one trillion, thirty-one billion, four hundred forty million, two hundred twenty-two thousand, one hundred fifty-one".