312021430130429 has 8 divisors (see below), whose sum is σ = 319632490066680. Its totient is φ = 304410407392000.

The previous prime is 312021430130413. The next prime is 312021430130503. The reversal of 312021430130429 is 924031034120213.

It can be written as a sum of positive squares in 4 ways, for example, as 121504280318404 + 190517149812025 = 11022898^2 + 13802795^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312021430130429 - 2⁴ = 312021430130413 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 (312021430130929) 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, 8072507 + ... + 26252775.

It is an arithmetic number, because the mean of its divisors is an integer number (39954061258335).

Almost surely, 2^{312021430130429} is an apocalyptic number.

It is an amenable number.

312021430130429 is a deficient number, since it is larger than the sum of its proper divisors (7611059936251).

312021430130429 is a wasteful number, since it uses less digits than its factorization.

312021430130429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18598911.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 312021430130429 in words is "three hundred twelve trillion, twenty-one billion, four hundred thirty million, one hundred thirty thousand, four hundred twenty-nine".