331402000429 has 4 divisors (see below), whose sum is σ = 333084244284. Its totient is φ = 329719756576.

The previous prime is 331402000427. The next prime is 331402000483. The reversal of 331402000429 is 924000204133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 924000204133 = 188927 ⋅4890779.

It can be written as a sum of positive squares in 2 ways, for example, as 175056886404 + 156345114025 = 418398^2 + 395405^2 .

It is a cyclic number.

It is not a de Polignac number, because 331402000429 - 2¹ = 331402000427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331402000397 and 331402000406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331402000427) by changing a digit.

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, 841121632 + ... + 841122025.

It is an arithmetic number, because the mean of its divisors is an integer number (83271061071).

Almost surely, 2^331402000429 is an apocalyptic number.

It is an amenable number.

331402000429 is a deficient number, since it is larger than the sum of its proper divisors (1682243855).

331402000429 is a wasteful number, since it uses less digits than its factorization.

331402000429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682243854.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 331402000429 in words is "three hundred thirty-one billion, four hundred two million, four hundred twenty-nine", and thus it is an aban number.