30431042311 has 8 divisors (see below), whose sum is σ = 31266214560. Its totient is φ = 29596539168.

The previous prime is 30431042309. The next prime is 30431042347. The reversal of 30431042311 is 11324013403.

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

It is not a de Polignac number, because 30431042311 - 2¹ = 30431042309 is a prime.

It is a super-2 number, since 2×30431042311² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30431042351) 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 7 ways as a sum of consecutive naturals, for example, 74371 + ... + 257668.

It is an arithmetic number, because the mean of its divisors is an integer number (3908276820).

Almost surely, 2^30431042311 is an apocalyptic number.

30431042311 is a deficient number, since it is larger than the sum of its proper divisors (835172249).

30431042311 is a wasteful number, since it uses less digits than its factorization.

30431042311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334553.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30431042311 its reverse (11324013403), we get a palindrome (41755055714).

The spelling of 30431042311 in words is "thirty billion, four hundred thirty-one million, forty-two thousand, three hundred eleven".