1455121030431 has 8 divisors (see below), whose sum is σ = 1940178593920. Its totient is φ = 970072076952.

The previous prime is 1455121030423. The next prime is 1455121030477. The reversal of 1455121030431 is 1340301215541.

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

It is not a de Polignac number, because 1455121030431 - 2³ = 1455121030423 is a prime.

It is a super-2 number, since 2×1455121030431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455121080431) 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, 1747261 + ... + 2441958.

It is an arithmetic number, because the mean of its divisors is an integer number (242522324240).

Almost surely, 2^{1455121030431} is an apocalyptic number.

1455121030431 is a deficient number, since it is larger than the sum of its proper divisors (485057563489).

1455121030431 is a wasteful number, since it uses less digits than its factorization.

1455121030431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4305005.

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

Adding to 1455121030431 its reverse (1340301215541), we get a palindrome (2795422245972).

The spelling of 1455121030431 in words is "one trillion, four hundred fifty-five billion, one hundred twenty-one million, thirty thousand, four hundred thirty-one".