31355034011 has 16 divisors (see below), whose sum is σ = 36444423360. Its totient is φ = 26418718080.

The previous prime is 31355033953. The next prime is 31355034019. The reversal of 31355034011 is 11043055313.

It is a cyclic number.

It is not a de Polignac number, because 31355034011 - 2¹⁴ = 31355017627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31355034019) 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, 690665 + ... + 734661.

It is an arithmetic number, because the mean of its divisors is an integer number (2277776460).

Almost surely, 2^31355034011 is an apocalyptic number.

31355034011 is a deficient number, since it is larger than the sum of its proper divisors (5089389349).

31355034011 is a wasteful number, since it uses less digits than its factorization.

31355034011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45734.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 31355034011 its reverse (11043055313), we get a palindrome (42398089324).

The spelling of 31355034011 in words is "thirty-one billion, three hundred fifty-five million, thirty-four thousand, eleven".