31454153344654 has 4 divisors (see below), whose sum is σ = 47181230016984. Its totient is φ = 15727076672326.

The previous prime is 31454153344643. The next prime is 31454153344697. The reversal of 31454153344654 is 45644335145413.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7863538336162 + ... + 7863538336165.

It is an arithmetic number, because the mean of its divisors is an integer number (11795307504246).

Almost surely, 2^{31454153344654} is an apocalyptic number.

31454153344654 is a deficient number, since it is larger than the sum of its proper divisors (15727076672330).

31454153344654 is a wasteful number, since it uses less digits than its factorization.

31454153344654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15727076672329.

The product of its digits is 20736000, while the sum is 52.

The spelling of 31454153344654 in words is "thirty-one trillion, four hundred fifty-four billion, one hundred fifty-three million, three hundred forty-four thousand, six hundred fifty-four".