234431620331433 has 32 divisors (see below), whose sum is σ = 363974040490752. Its totient is φ = 131431652352000.

The previous prime is 234431620331431. The next prime is 234431620331471. The reversal of 234431620331433 is 334133026134432.

It is not a de Polignac number, because 234431620331433 - 2¹ = 234431620331431 is a prime.

It is a super-2 number, since 2×234431620331433² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (234431620331431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86820993 + ... + 89480433.

It is an arithmetic number, because the mean of its divisors is an integer number (11374188765336).

Almost surely, 2^{234431620331433} is an apocalyptic number.

It is an amenable number.

234431620331433 is a deficient number, since it is larger than the sum of its proper divisors (129542420159319).

234431620331433 is a wasteful number, since it uses less digits than its factorization.

234431620331433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2738705.

The product of its (nonzero) digits is 1119744, while the sum is 42.

Adding to 234431620331433 its reverse (334133026134432), we get a palindrome (568564646465865).

The spelling of 234431620331433 in words is "two hundred thirty-four trillion, four hundred thirty-one billion, six hundred twenty million, three hundred thirty-one thousand, four hundred thirty-three".