31454103522 has 16 divisors (see below), whose sum is σ = 64608429312. Its totient is φ = 10201330800.

The previous prime is 31454103521. The next prime is 31454103539. The reversal of 31454103522 is 22530145413.

It is a self number, because there is not a number n which added to its sum of digits gives 31454103522.

It is not an unprimeable number, because it can be changed into a prime (31454103521) 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, 70842354 + ... + 70842797.

It is an arithmetic number, because the mean of its divisors is an integer number (4038026832).

Almost surely, 2^31454103522 is an apocalyptic number.

31454103522 is an abundant number, since it is smaller than the sum of its proper divisors (33154325790).

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

31454103522 is a wasteful number, since it uses less digits than its factorization.

31454103522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141685193.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 31454103522 its reverse (22530145413), we get a palindrome (53984248935).

The spelling of 31454103522 in words is "thirty-one billion, four hundred fifty-four million, one hundred three thousand, five hundred twenty-two".