1055131050031 has 4 divisors (see below), whose sum is σ = 1065375040912. Its totient is φ = 1044887059152.

The previous prime is 1055131050013. The next prime is 1055131050037. The reversal of 1055131050031 is 1300501315501.

It is a happy number.

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 1055131050031 - 2²¹ = 1055128952879 is a prime.

It is a super-2 number, since 2×1055131050031² (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 = 1055131049978 and 1055131050005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055131050037) 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, 5121995286 + ... + 5121995491.

It is an arithmetic number, because the mean of its divisors is an integer number (266343760228).

Almost surely, 2^{1055131050031} is an apocalyptic number.

1055131050031 is a deficient number, since it is larger than the sum of its proper divisors (10243990881).

1055131050031 is a wasteful number, since it uses less digits than its factorization.

1055131050031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10243990880.

The product of its (nonzero) digits is 1125, while the sum is 25.

Adding to 1055131050031 its reverse (1300501315501), we get a palindrome (2355632365532).

The spelling of 1055131050031 in words is "one trillion, fifty-five billion, one hundred thirty-one million, fifty thousand, thirty-one".