31051051055 has 32 divisors (see below), whose sum is σ = 41856860160. Its totient is φ = 21974561280.

The previous prime is 31051051039. The next prime is 31051051099. The reversal of 31051051055 is 55015015013.

It is not a de Polignac number, because 31051051055 - 2⁴ = 31051051039 is a prime.

It is a super-2 number, since 2×31051051055² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 129410 + ... + 280800.

It is an arithmetic number, because the mean of its divisors is an integer number (1308026880).

Almost surely, 2^31051051055 is an apocalyptic number.

31051051055 is a deficient number, since it is larger than the sum of its proper divisors (10805809105).

31051051055 is a wasteful number, since it uses less digits than its factorization.

31051051055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151559.

The product of its (nonzero) digits is 1875, while the sum is 26.

Adding to 31051051055 its reverse (55015015013), we get a palindrome (86066066068).

The spelling of 31051051055 in words is "thirty-one billion, fifty-one million, fifty-one thousand, fifty-five".