31404423320410 has 64 divisors (see below), whose sum is σ = 65664447634944. Its totient is φ = 10590397804800.

The previous prime is 31404423320393. The next prime is 31404423320411. The reversal of 31404423320410 is 1402332440413.

It is a super-2 number, since 2×31404423320410² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31404423320411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171788955 + ... + 171971665.

It is an arithmetic number, because the mean of its divisors is an integer number (1026006994296).

Almost surely, 2^{31404423320410} is an apocalyptic number.

31404423320410 is an abundant number, since it is smaller than the sum of its proper divisors (34260024314534).

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

31404423320410 is a wasteful number, since it uses less digits than its factorization.

31404423320410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223039.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 31404423320410 its reverse (1402332440413), we get a palindrome (32806755760823).

The spelling of 31404423320410 in words is "thirty-one trillion, four hundred four billion, four hundred twenty-three million, three hundred twenty thousand, four hundred ten".