31042104551 has 8 divisors (see below), whose sum is σ = 31150339584. Its totient is φ = 30933924120.

The previous prime is 31042104547. The next prime is 31042104593. The reversal of 31042104551 is 15540124013.

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

It is a cyclic number.

It is not a de Polignac number, because 31042104551 - 2² = 31042104547 is a prime.

It is a super-2 number, since 2×31042104551² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31042104551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31042106551) 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, 1364270 + ... + 1386836.

It is an arithmetic number, because the mean of its divisors is an integer number (3893792448).

Almost surely, 2^31042104551 is an apocalyptic number.

31042104551 is a deficient number, since it is larger than the sum of its proper divisors (108235033).

31042104551 is a wasteful number, since it uses less digits than its factorization.

31042104551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27301.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 31042104551 its reverse (15540124013), we get a palindrome (46582228564).

The spelling of 31042104551 in words is "thirty-one billion, forty-two million, one hundred four thousand, five hundred fifty-one".