31148469086 has 64 divisors (see below), whose sum is σ = 56144309760. Its totient is φ = 12684349440.

The previous prime is 31148469083. The next prime is 31148469091. The reversal of 31148469086 is 68096484113.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31148469083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3440726 + ... + 3449766.

It is an arithmetic number, because the mean of its divisors is an integer number (877254840).

Almost surely, 2^31148469086 is an apocalyptic number.

31148469086 is a deficient number, since it is larger than the sum of its proper divisors (24995840674).

31148469086 is a wasteful number, since it uses less digits than its factorization.

31148469086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9249.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 31148469086 in words is "thirty-one billion, one hundred forty-eight million, four hundred sixty-nine thousand, eighty-six".