31434531043331 has 8 divisors (see below), whose sum is σ = 33853241637600. Its totient is φ = 29015916126912.

The previous prime is 31434531043283. The next prime is 31434531043369. The reversal of 31434531043331 is 13334013543413.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31434531043331 - 2⁴² = 27036484532227 is a prime.

It is a super-2 number, since 2×31434531043331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31434531043381) 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, 23236370 + ... + 24551943.

It is an arithmetic number, because the mean of its divisors is an integer number (4231655204700).

Almost surely, 2^{31434531043331} is an apocalyptic number.

31434531043331 is a deficient number, since it is larger than the sum of its proper divisors (2418710594269).

31434531043331 is a wasteful number, since it uses less digits than its factorization.

31434531043331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47838925.

The product of its (nonzero) digits is 233280, while the sum is 38.

Adding to 31434531043331 its reverse (13334013543413), we get a palindrome (44768544586744).

The spelling of 31434531043331 in words is "thirty-one trillion, four hundred thirty-four billion, five hundred thirty-one million, forty-three thousand, three hundred thirty-one".