31420635510406 has 16 divisors (see below), whose sum is σ = 48781969286400. Its totient is φ = 15160552653568.

The previous prime is 31420635510331. The next prime is 31420635510421. The reversal of 31420635510406 is 60401553602413.

It is a super-2 number, since 2×31420635510406² (a number of 28 digits) contains 22 as substring.

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, 143282470 + ... + 143501593.

It is an arithmetic number, because the mean of its divisors is an integer number (3048873080400).

Almost surely, 2^{31420635510406} is an apocalyptic number.

31420635510406 is a deficient number, since it is larger than the sum of its proper divisors (17361333775994).

31420635510406 is a wasteful number, since it uses less digits than its factorization.

31420635510406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286785983.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 31420635510406 in words is "thirty-one trillion, four hundred twenty billion, six hundred thirty-five million, five hundred ten thousand, four hundred six".