31454755557 has 4 divisors (see below), whose sum is σ = 41939674080. Its totient is φ = 20969837036.

The previous prime is 31454755537. The next prime is 31454755589. The reversal of 31454755557 is 75555745413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31454755557 - 2⁸ = 31454755301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31454755537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5242459257 + ... + 5242459262.

It is an arithmetic number, because the mean of its divisors is an integer number (10484918520).

Almost surely, 2^31454755557 is an apocalyptic number.

It is an amenable number.

31454755557 is a deficient number, since it is larger than the sum of its proper divisors (10484918523).

31454755557 is a wasteful number, since it uses less digits than its factorization.

31454755557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10484918522.

The product of its digits is 7350000, while the sum is 51.

The spelling of 31454755557 in words is "thirty-one billion, four hundred fifty-four million, seven hundred fifty-five thousand, five hundred fifty-seven".