31402081353 has 16 divisors (see below), whose sum is σ = 43382485440. Its totient is φ = 20191589184.

The previous prime is 31402081331. The next prime is 31402081367. The reversal of 31402081353 is 35318020413.

It is not a de Polignac number, because 31402081353 - 2⁶ = 31402081289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31402081353.

It is not an unprimeable number, because it can be changed into a prime (31402081393) 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, 1664326 + ... + 1683087.

It is an arithmetic number, because the mean of its divisors is an integer number (2711405340).

Almost surely, 2^31402081353 is an apocalyptic number.

It is an amenable number.

31402081353 is a deficient number, since it is larger than the sum of its proper divisors (11980404087).

31402081353 is a wasteful number, since it uses less digits than its factorization.

31402081353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347528.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 31402081353 in words is "thirty-one billion, four hundred two million, eighty-one thousand, three hundred fifty-three".