31148261110 has 16 divisors (see below), whose sum is σ = 56098242000. Its totient is φ = 12452332896.

The previous prime is 31148261107. The next prime is 31148261117. The reversal of 31148261110 is 1116284113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31148261117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852660 + ... + 888439.

It is an arithmetic number, because the mean of its divisors is an integer number (3506140125).

Almost surely, 2^31148261110 is an apocalyptic number.

31148261110 is a deficient number, since it is larger than the sum of its proper divisors (24949980890).

31148261110 is a wasteful number, since it uses less digits than its factorization.

31148261110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742895.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 31148261110 in words is "thirty-one billion, one hundred forty-eight million, two hundred sixty-one thousand, one hundred ten".