31301003032031 has 16 divisors (see below), whose sum is σ = 32520794211360. Its totient is φ = 30090586713600.

The previous prime is 31301003032001. The next prime is 31301003032073. The reversal of 31301003032031 is 13023030010313.

It is not a de Polignac number, because 31301003032031 - 2¹⁸ = 31301002769887 is a prime.

It is a super-2 number, since 2×31301003032031² (a number of 28 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 = 31301003031994 and 31301003032012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31301003032001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169055456 + ... + 169240506.

It is an arithmetic number, because the mean of its divisors is an integer number (2032549638210).

Almost surely, 2^{31301003032031} is an apocalyptic number.

31301003032031 is a deficient number, since it is larger than the sum of its proper divisors (1219791179329).

31301003032031 is a wasteful number, since it uses less digits than its factorization.

31301003032031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210346.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 31301003032031 its reverse (13023030010313), we get a palindrome (44324033042344).

The spelling of 31301003032031 in words is "thirty-one trillion, three hundred one billion, three million, thirty-two thousand, thirty-one".