31148469087 has 8 divisors (see below), whose sum is σ = 41546454960. Its totient is φ = 20758064640.

The previous prime is 31148469083. The next prime is 31148469091. The reversal of 31148469087 is 78096484113.

It is an interprime number because it is at equal distance from previous prime (31148469083) and next prime (31148469091).

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

It is not a de Polignac number, because 31148469087 - 2² = 31148469083 is a prime.

It is a super-2 number, since 2×31148469087² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1885762 + ... + 1902207.

It is an arithmetic number, because the mean of its divisors is an integer number (5193306870).

Almost surely, 2^31148469087 is an apocalyptic number.

31148469087 is a deficient number, since it is larger than the sum of its proper divisors (10397985873).

31148469087 is a wasteful number, since it uses less digits than its factorization.

31148469087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3790713.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 31148469087 in words is "thirty-one billion, one hundred forty-eight million, four hundred sixty-nine thousand, eighty-seven".