31540104054 has 16 divisors (see below), whose sum is σ = 70089120240. Its totient is φ = 10513368000.

The previous prime is 31540104049. The next prime is 31540104061. The reversal of 31540104054 is 45040104513.

It is a happy number.

31540104054 is a `hidden beast` number, since 31 + 540 + 1 + 0 + 40 + 54 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 292037947 + ... + 292038054.

It is an arithmetic number, because the mean of its divisors is an integer number (4380570015).

Almost surely, 2^31540104054 is an apocalyptic number.

31540104054 is an abundant number, since it is smaller than the sum of its proper divisors (38549016186).

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

31540104054 is a wasteful number, since it uses less digits than its factorization.

31540104054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584076012 (or 584076006 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 31540104054 its reverse (45040104513), we get a palindrome (76580208567).

The spelling of 31540104054 in words is "thirty-one billion, five hundred forty million, one hundred four thousand, fifty-four".