31264435010321 has 16 divisors (see below), whose sum is σ = 32061249568320. Its totient is φ = 30477392225280.

The previous prime is 31264435010269. The next prime is 31264435010339. The reversal of 31264435010321 is 12301053446213.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31264435010321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31264435010351) 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, 69568781 + ... + 70016741.

It is an arithmetic number, because the mean of its divisors is an integer number (2003828098020).

Almost surely, 2^{31264435010321} is an apocalyptic number.

It is an amenable number.

31264435010321 is a deficient number, since it is larger than the sum of its proper divisors (796814557999).

31264435010321 is a wasteful number, since it uses less digits than its factorization.

31264435010321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458864.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 31264435010321 its reverse (12301053446213), we get a palindrome (43565488456534).

The spelling of 31264435010321 in words is "thirty-one trillion, two hundred sixty-four billion, four hundred thirty-five million, ten thousand, three hundred twenty-one".