31012663011 has 16 divisors (see below), whose sum is σ = 45438599808. Its totient is φ = 18658356800.

The previous prime is 31012662977. The next prime is 31012663027. The reversal of 31012663011 is 11036621013.

It is a cyclic number.

It is not a de Polignac number, because 31012663011 - 2²⁶ = 30945554147 is a prime.

It is a super-2 number, since 2×31012663011² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31012663061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3425325 + ... + 3434366.

It is an arithmetic number, because the mean of its divisors is an integer number (2839912488).

Almost surely, 2^31012663011 is an apocalyptic number.

31012663011 is a deficient number, since it is larger than the sum of its proper divisors (14425936797).

31012663011 is a wasteful number, since it uses less digits than its factorization.

31012663011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6859842.

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 31012663011 in words is "thirty-one billion, twelve million, six hundred sixty-three thousand, eleven".