31435140355 has 4 divisors (see below), whose sum is σ = 37722168432. Its totient is φ = 25148112280.

The previous prime is 31435140277. The next prime is 31435140361. The reversal of 31435140355 is 55304153413.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 31435140355 - 2¹³ = 31435132163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31435140355.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3143514031 + ... + 3143514040.

It is an arithmetic number, because the mean of its divisors is an integer number (9430542108).

Almost surely, 2^31435140355 is an apocalyptic number.

31435140355 is a deficient number, since it is larger than the sum of its proper divisors (6287028077).

31435140355 is an equidigital number, since it uses as much as digits as its factorization.

31435140355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6287028076.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 31435140355 its reverse (55304153413), we get a palindrome (86739293768).

The spelling of 31435140355 in words is "thirty-one billion, four hundred thirty-five million, one hundred forty thousand, three hundred fifty-five".