1050503400331 has 32 divisors (see below), whose sum is σ = 1387109376000. Its totient is φ = 770733442080.

The previous prime is 1050503400329. The next prime is 1050503400367. The reversal of 1050503400331 is 1330043050501.

It is not a de Polignac number, because 1050503400331 - 2¹ = 1050503400329 is a prime.

It is a super-2 number, since 2×1050503400331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1050503400296 and 1050503400305.

It is not an unprimeable number, because it can be changed into a prime (1050503400031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1964131 + ... + 2441068.

It is an arithmetic number, because the mean of its divisors is an integer number (43347168000).

Almost surely, 2^{1050503400331} is an apocalyptic number.

1050503400331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1050503400331 is a deficient number, since it is larger than the sum of its proper divisors (336605975669).

1050503400331 is a wasteful number, since it uses less digits than its factorization.

1050503400331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405399.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 1050503400331 its reverse (1330043050501), we get a palindrome (2380546450832).

The spelling of 1050503400331 in words is "one trillion, fifty billion, five hundred three million, four hundred thousand, three hundred thirty-one".