34001312331 has 16 divisors (see below), whose sum is σ = 51942043904. Its totient is φ = 19380376224.

The previous prime is 34001312263. The next prime is 34001312339. The reversal of 34001312331 is 13321310043.

It is not a de Polignac number, because 34001312331 - 2²⁷ = 33867094603 is a prime.

It is a super-2 number, since 2×34001312331² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34001312298 and 34001312307.

It is not an unprimeable number, because it can be changed into a prime (34001312339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2030845 + ... + 2047518.

It is an arithmetic number, because the mean of its divisors is an integer number (3246377744).

Almost surely, 2^34001312331 is an apocalyptic number.

34001312331 is a deficient number, since it is larger than the sum of its proper divisors (17940731573).

34001312331 is a wasteful number, since it uses less digits than its factorization.

34001312331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078770.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 34001312331 its reverse (13321310043), we get a palindrome (47322622374).

The spelling of 34001312331 in words is "thirty-four billion, one million, three hundred twelve thousand, three hundred thirty-one".