201031321022434 has 128 divisors (see below), whose sum is σ = 379097044992000. Its totient is φ = 79675346520000.

The previous prime is 201031321022429. The next prime is 201031321022459. The reversal of 201031321022434 is 434220123130102.

It is a super-2 number, since 2×201031321022434² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92391399 + ... + 94542229.

It is an arithmetic number, because the mean of its divisors is an integer number (2961695664000).

Almost surely, 2^{201031321022434} is an apocalyptic number.

201031321022434 is a deficient number, since it is larger than the sum of its proper divisors (178065723969566).

201031321022434 is a wasteful number, since it uses less digits than its factorization.

201031321022434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151045 (or 2151031 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 201031321022434 its reverse (434220123130102), we get a palindrome (635251444152536).

The spelling of 201031321022434 in words is "two hundred one trillion, thirty-one billion, three hundred twenty-one million, twenty-two thousand, four hundred thirty-four".