31545214230401 has 16 divisors (see below), whose sum is σ = 33382477707840. Its totient is φ = 29725695498240.

The previous prime is 31545214230371. The next prime is 31545214230433. The reversal of 31545214230401 is 10403241254513.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31545214230401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31545214230001) 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, 24276746 + ... + 25543116.

It is an arithmetic number, because the mean of its divisors is an integer number (2086404856740).

Almost surely, 2^{31545214230401} is an apocalyptic number.

It is an amenable number.

31545214230401 is a deficient number, since it is larger than the sum of its proper divisors (1837263477439).

31545214230401 is a wasteful number, since it uses less digits than its factorization.

31545214230401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273376.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 31545214230401 its reverse (10403241254513), we get a palindrome (41948455484914).

The spelling of 31545214230401 in words is "thirty-one trillion, five hundred forty-five billion, two hundred fourteen million, two hundred thirty thousand, four hundred one".