31553101454 has 12 divisors (see below), whose sum is σ = 55056942504. Its totient is φ = 13522757724.

The previous prime is 31553101441. The next prime is 31553101477. The reversal of 31553101454 is 45410135513.

It is a super-2 number, since 2×31553101454² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31553101454.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 160985114 + ... + 160985309.

It is an arithmetic number, because the mean of its divisors is an integer number (4588078542).

Almost surely, 2^31553101454 is an apocalyptic number.

31553101454 is a deficient number, since it is larger than the sum of its proper divisors (23503841050).

31553101454 is a wasteful number, since it uses less digits than its factorization.

31553101454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321970439 (or 321970432 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 31553101454 its reverse (45410135513), we get a palindrome (76963236967).

The spelling of 31553101454 in words is "thirty-one billion, five hundred fifty-three million, one hundred one thousand, four hundred fifty-four".