31452104223544 has 16 divisors (see below), whose sum is σ = 61536725655120. Its totient is φ = 15042310715520.

The previous prime is 31452104223511. The next prime is 31452104223587. The reversal of 31452104223544 is 44532240125413.

It is a junction number, because it is equal to n+sod(n) for n = 31452104223497 and 31452104223506.

It is a congruent number.

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, 85467674337 + ... + 85467674704.

It is an arithmetic number, because the mean of its divisors is an integer number (3846045353445).

Almost surely, 2^{31452104223544} is an apocalyptic number.

It is an amenable number.

31452104223544 is a deficient number, since it is larger than the sum of its proper divisors (30084621431576).

31452104223544 is a wasteful number, since it uses less digits than its factorization.

31452104223544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170935349070 (or 170935349066 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 31452104223544 its reverse (44532240125413), we get a palindrome (75984344348957).

The spelling of 31452104223544 in words is "thirty-one trillion, four hundred fifty-two billion, one hundred four million, two hundred twenty-three thousand, five hundred forty-four".