31443102245541 has 16 divisors (see below), whose sum is σ = 48407250195584. Its totient is φ = 17782255171584.

The previous prime is 31443102245479. The next prime is 31443102245543. The reversal of 31443102245541 is 14554220134413.

It is not a de Polignac number, because 31443102245541 - 2⁷ = 31443102245413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31443102245541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31443102245543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7717990660 + ... + 7717994733.

It is an arithmetic number, because the mean of its divisors is an integer number (3025453137224).

Almost surely, 2^{31443102245541} is an apocalyptic number.

It is an amenable number.

31443102245541 is a deficient number, since it is larger than the sum of its proper divisors (16964147950043).

31443102245541 is a wasteful number, since it uses less digits than its factorization.

31443102245541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15435985500.

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 31443102245541 its reverse (14554220134413), we get a palindrome (45997322379954).

The spelling of 31443102245541 in words is "thirty-one trillion, four hundred forty-three billion, one hundred two million, two hundred forty-five thousand, five hundred forty-one".