31544553350454 has 16 divisors (see below), whose sum is σ = 63091160283648. Its totient is φ = 10514508853032.

The previous prime is 31544553350417. The next prime is 31544553350459. The reversal of 31544553350454 is 45405335544513.

It is a super-2 number, since 2×31544553350454² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31544553350397 and 31544553350406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31544553350459) 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, 85366222 + ... + 85734945.

It is an arithmetic number, because the mean of its divisors is an integer number (3943197517728).

Almost surely, 2^{31544553350454} is an apocalyptic number.

31544553350454 is an abundant number, since it is smaller than the sum of its proper divisors (31546606933194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31544553350454 is a wasteful number, since it uses less digits than its factorization.

31544553350454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171131899.

The product of its (nonzero) digits is 21600000, while the sum is 51.

Adding to 31544553350454 its reverse (45405335544513), we get a palindrome (76949888894967).

The spelling of 31544553350454 in words is "thirty-one trillion, five hundred forty-four billion, five hundred fifty-three million, three hundred fifty thousand, four hundred fifty-four".