1055031311 has 8 divisors (see below), whose sum is σ = 1081917648. Its totient is φ = 1028200000.

The previous prime is 1055031301. The next prime is 1055031317. The reversal of 1055031311 is 1131305501.

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 1055031311 - 2¹⁴ = 1055014927 is a prime.

It is a super-2 number, since 2×1055031311² = 2226182134380757442, which 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 (1055031317) 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, 26561 + ... + 53061.

It is an arithmetic number, because the mean of its divisors is an integer number (135239706).

Almost surely, 2^1055031311 is an apocalyptic number.

1055031311 is a deficient number, since it is larger than the sum of its proper divisors (26886337).

1055031311 is an equidigital number, since it uses as much as digits as its factorization.

1055031311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27513.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 1055031311 is about 32481.2455272269. The cubic root of 1055031311 is about 1018.0172012152.

Adding to 1055031311 its reverse (1131305501), we get a palindrome (2186336812).

The spelling of 1055031311 in words is "one billion, fifty-five million, thirty-one thousand, three hundred eleven".