31428112577 has 16 divisors (see below), whose sum is σ = 32480967552. Its totient is φ = 30391320960.

The previous prime is 31428112549. The next prime is 31428112579. The reversal of 31428112577 is 77521182413.

It is a cyclic number.

It is not a de Polignac number, because 31428112577 - 2⁸ = 31428112321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31428112579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1888748 + ... + 1905314.

It is an arithmetic number, because the mean of its divisors is an integer number (2030060472).

Almost surely, 2^31428112577 is an apocalyptic number.

It is an amenable number.

31428112577 is a deficient number, since it is larger than the sum of its proper divisors (1052854975).

31428112577 is a wasteful number, since it uses less digits than its factorization.

31428112577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17048.

The product of its digits is 94080, while the sum is 41.

The spelling of 31428112577 in words is "thirty-one billion, four hundred twenty-eight million, one hundred twelve thousand, five hundred seventy-seven".