31100012011010 has 8 divisors (see below), whose sum is σ = 55980021619836. Its totient is φ = 12440004804400.

The previous prime is 31100012011001. The next prime is 31100012011021. The reversal of 31100012011010 is 1011021000113.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29586430514281 + 1513581496729 = 5439341^2 + 1230277^2 .

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

It is a super-2 number, since 2×31100012011010² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31100012010982 and 31100012011000.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1555000600541 + ... + 1555000600560.

Almost surely, 2^{31100012011010} is an apocalyptic number.

31100012011010 is a deficient number, since it is larger than the sum of its proper divisors (24880009608826).

31100012011010 is a wasteful number, since it uses less digits than its factorization.

31100012011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110001201108.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 31100012011010 its reverse (1011021000113), we get a palindrome (32111033011123).

The spelling of 31100012011010 in words is "thirty-one trillion, one hundred billion, twelve million, eleven thousand, ten".