231335505406 has 16 divisors (see below), whose sum is σ = 350451230400. Its totient is φ = 114520634368.

The previous prime is 231335505403. The next prime is 231335505407. The reversal of 231335505406 is 604505533132.

It is a super-2 number, since 2×231335505406² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231335505403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340966 + ... + 760873.

It is an arithmetic number, because the mean of its divisors is an integer number (21903201900).

Almost surely, 2^231335505406 is an apocalyptic number.

231335505406 is a deficient number, since it is larger than the sum of its proper divisors (119115724994).

231335505406 is a wasteful number, since it uses less digits than its factorization.

231335505406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102883.

The product of its (nonzero) digits is 162000, while the sum is 37.

The spelling of 231335505406 in words is "two hundred thirty-one billion, three hundred thirty-five million, five hundred five thousand, four hundred six".