402931811141 has 4 divisors (see below), whose sum is σ = 403190268000. Its totient is φ = 402673354284.

The previous prime is 402931811137. The next prime is 402931811153. The reversal of 402931811141 is 141118139204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 402931811141 - 2² = 402931811137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402931819141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129226091 + ... + 129229208.

It is an arithmetic number, because the mean of its divisors is an integer number (100797567000).

Almost surely, 2^402931811141 is an apocalyptic number.

It is an amenable number.

402931811141 is a deficient number, since it is larger than the sum of its proper divisors (258456859).

402931811141 is a wasteful number, since it uses less digits than its factorization.

402931811141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258456858.

The product of its (nonzero) digits is 6912, while the sum is 35.

The spelling of 402931811141 in words is "four hundred two billion, nine hundred thirty-one million, eight hundred eleven thousand, one hundred forty-one".