31424344211031 has 32 divisors (see below), whose sum is σ = 44709222490560. Its totient is φ = 19563844878336.

The previous prime is 31424344211027. The next prime is 31424344211059. The reversal of 31424344211031 is 13011244342413.

It is a happy number.

It is not a de Polignac number, because 31424344211031 - 2² = 31424344211027 is a prime.

It is a super-2 number, since 2×31424344211031² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31424344210983 and 31424344211001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31424344219031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13369215 + ... + 15542991.

It is an arithmetic number, because the mean of its divisors is an integer number (1397163202830).

Almost surely, 2^{31424344211031} is an apocalyptic number.

31424344211031 is a deficient number, since it is larger than the sum of its proper divisors (13284878279529).

31424344211031 is a wasteful number, since it uses less digits than its factorization.

31424344211031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176003.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 31424344211031 its reverse (13011244342413), we get a palindrome (44435588553444).

The spelling of 31424344211031 in words is "thirty-one trillion, four hundred twenty-four billion, three hundred forty-four million, two hundred eleven thousand, thirty-one".