31053031031 has 16 divisors (see below), whose sum is σ = 33983324928. Its totient is φ = 28140739200.

The previous prime is 31053031027. The next prime is 31053031057. The reversal of 31053031031 is 13013035013.

It is a cyclic number.

It is not a de Polignac number, because 31053031031 - 2² = 31053031027 is a prime.

It is a super-2 number, since 2×31053031031² (a number of 22 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 = 31053030994 and 31053031012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31053031081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7937966 + ... + 7941876.

It is an arithmetic number, because the mean of its divisors is an integer number (2123957808).

Almost surely, 2^31053031031 is an apocalyptic number.

31053031031 is a deficient number, since it is larger than the sum of its proper divisors (2930293897).

31053031031 is a wasteful number, since it uses less digits than its factorization.

31053031031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6022.

The product of its (nonzero) digits is 405, while the sum is 20.

Adding to 31053031031 its reverse (13013035013), we get a palindrome (44066066044).

The spelling of 31053031031 in words is "thirty-one billion, fifty-three million, thirty-one thousand, thirty-one".