31012331531434 has 8 divisors (see below), whose sum is σ = 50747451596928. Its totient is φ = 14096514332460.

The previous prime is 31012331531413. The next prime is 31012331531449. The reversal of 31012331531434 is 43413513321013.

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

It is a self number, because there is not a number n which added to its sum of digits gives 31012331531434.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704825716602 + ... + 704825716645.

It is an arithmetic number, because the mean of its divisors is an integer number (6343431449616).

Almost surely, 2^{31012331531434} is an apocalyptic number.

31012331531434 is a deficient number, since it is larger than the sum of its proper divisors (19735120065494).

31012331531434 is a wasteful number, since it uses less digits than its factorization.

31012331531434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409651433260.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 31012331531434 its reverse (43413513321013), we get a palindrome (74425844852447).

The spelling of 31012331531434 in words is "thirty-one trillion, twelve billion, three hundred thirty-one million, five hundred thirty-one thousand, four hundred thirty-four".