431431540135 has 16 divisors (see below), whose sum is σ = 545007283200. Its totient is φ = 326955017376.

The previous prime is 431431540121. The next prime is 431431540157. The reversal of 431431540135 is 531045134134.

It is a cyclic number.

It is not a de Polignac number, because 431431540135 - 2¹³ = 431431531943 is a prime.

It is a super-2 number, since 2×431431540135² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 431431540135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1147206 + ... + 1476124.

It is an arithmetic number, because the mean of its divisors is an integer number (34062955200).

Almost surely, 2^431431540135 is an apocalyptic number.

431431540135 is a deficient number, since it is larger than the sum of its proper divisors (113575743065).

431431540135 is a wasteful number, since it uses less digits than its factorization.

431431540135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342750.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 431431540135 its reverse (531045134134), we get a palindrome (962476674269).

The spelling of 431431540135 in words is "four hundred thirty-one billion, four hundred thirty-one million, five hundred forty thousand, one hundred thirty-five".