31234043011 has 8 divisors (see below), whose sum is σ = 31403925504. Its totient is φ = 31064227080.

The previous prime is 31234043003. The next prime is 31234043021. The reversal of 31234043011 is 11034043213.

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 31234043011 - 2³ = 31234043003 is a prime.

It is a super-2 number, since 2×31234043011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31234043021) 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 7 ways as a sum of consecutive naturals, for example, 1141456 + ... + 1168498.

It is an arithmetic number, because the mean of its divisors is an integer number (3925490688).

Almost surely, 2^31234043011 is an apocalyptic number.

31234043011 is a deficient number, since it is larger than the sum of its proper divisors (169882493).

31234043011 is a wasteful number, since it uses less digits than its factorization.

31234043011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33281.

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

Adding to 31234043011 its reverse (11034043213), we get a palindrome (42268086224).

The spelling of 31234043011 in words is "thirty-one billion, two hundred thirty-four million, forty-three thousand, eleven".