31545403004093 has 32 divisors (see below), whose sum is σ = 35819066004480. Its totient is φ = 27529227815040.

The previous prime is 31545403004051. The next prime is 31545403004117. The reversal of 31545403004093 is 39040030454513.

It is a cyclic number.

It is not a de Polignac number, because 31545403004093 - 2¹⁶ = 31545402938557 is a prime.

It is a super-2 number, since 2×31545403004093² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31545403004093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31545403004993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115761680 + ... + 116033862.

It is an arithmetic number, because the mean of its divisors is an integer number (1119345812640).

Almost surely, 2^{31545403004093} is an apocalyptic number.

It is an amenable number.

31545403004093 is a deficient number, since it is larger than the sum of its proper divisors (4273663000387).

31545403004093 is a wasteful number, since it uses less digits than its factorization.

31545403004093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276449.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 31545403004093 in words is "thirty-one trillion, five hundred forty-five billion, four hundred three million, four thousand, ninety-three".