31540154055 has 8 divisors (see below), whose sum is σ = 50464246512. Its totient is φ = 16821415488.

The previous prime is 31540154039. The next prime is 31540154059. The reversal of 31540154055 is 55045104513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31540154055 - 2⁴ = 31540154039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31540154059) 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, 1051338454 + ... + 1051338483.

It is an arithmetic number, because the mean of its divisors is an integer number (6308030814).

Almost surely, 2^31540154055 is an apocalyptic number.

31540154055 is a deficient number, since it is larger than the sum of its proper divisors (18924092457).

31540154055 is a wasteful number, since it uses less digits than its factorization.

31540154055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102676945.

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 31540154055 its reverse (55045104513), we get a palindrome (86585258568).

The spelling of 31540154055 in words is "thirty-one billion, five hundred forty million, one hundred fifty-four thousand, fifty-five".