211454255344031 has 16 divisors (see below), whose sum is σ = 248204559690816. Its totient is φ = 176340029446656.

The previous prime is 211454255344027. The next prime is 211454255344051. The reversal of 211454255344031 is 130443552454112.

It is a cyclic number.

It is not a de Polignac number, because 211454255344031 - 2² = 211454255344027 is a prime.

It is a super-2 number, since 2×211454255344031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211454255344051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12554666 + ... + 24094151.

It is an arithmetic number, because the mean of its divisors is an integer number (15512784980676).

Almost surely, 2^{211454255344031} is an apocalyptic number.

211454255344031 is a deficient number, since it is larger than the sum of its proper divisors (36750304346785).

211454255344031 is a wasteful number, since it uses less digits than its factorization.

211454255344031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36671138.

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 211454255344031 in words is "two hundred eleven trillion, four hundred fifty-four billion, two hundred fifty-five million, three hundred forty-four thousand, thirty-one".