31428601730 has 32 divisors (see below), whose sum is σ = 56889089856. Its totient is φ = 12500996544.

The previous prime is 31428601717. The next prime is 31428601733. The reversal of 31428601730 is 3710682413.

It is not an unprimeable number, because it can be changed into a prime (31428601733) 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, 1982897 + ... + 1998683.

It is an arithmetic number, because the mean of its divisors is an integer number (1777784058).

Almost surely, 2^31428601730 is an apocalyptic number.

31428601730 is a deficient number, since it is larger than the sum of its proper divisors (25460488126).

31428601730 is a wasteful number, since it uses less digits than its factorization.

31428601730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16898.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 31428601730 in words is "thirty-one billion, four hundred twenty-eight million, six hundred one thousand, seven hundred thirty".