31380954554 has 16 divisors (see below), whose sum is σ = 47136230208. Its totient is φ = 15668894592.

The previous prime is 31380954503. The next prime is 31380954569. The reversal of 31380954554 is 45545908313.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31380954499 and 31380954508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8674154 + ... + 8677770.

It is an arithmetic number, because the mean of its divisors is an integer number (2946014388).

Almost surely, 2^31380954554 is an apocalyptic number.

31380954554 is a deficient number, since it is larger than the sum of its proper divisors (15755275654).

31380954554 is a wasteful number, since it uses less digits than its factorization.

31380954554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8389.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 31380954554 in words is "thirty-one billion, three hundred eighty million, nine hundred fifty-four thousand, five hundred fifty-four".