31550092123 has 6 divisors (see below), whose sum is σ = 34679027012. Its totient is φ = 28681901820.

The previous prime is 31550092111. The next prime is 31550092159. The reversal of 31550092123 is 32129005513.

It is a de Polignac number, because none of the positive numbers 2^k-31550092123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31550092103) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 130372161 + ... + 130372402.

Almost surely, 2^31550092123 is an apocalyptic number.

31550092123 is a deficient number, since it is larger than the sum of its proper divisors (3128934889).

31550092123 is a wasteful number, since it uses less digits than its factorization.

31550092123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260744585 (or 260744574 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

Adding to 31550092123 its reverse (32129005513), we get a palindrome (63679097636).

The spelling of 31550092123 in words is "thirty-one billion, five hundred fifty million, ninety-two thousand, one hundred twenty-three".