2001032154434 has 48 divisors (see below), whose sum is σ = 3101291867520. Its totient is φ = 967842476640.

The previous prime is 2001032154431. The next prime is 2001032154439. The reversal of 2001032154434 is 4344512301002.

It is a junction number, because it is equal to n+sod(n) for n = 2001032154397 and 2001032154406.

It is not an unprimeable number, because it can be changed into a prime (2001032154431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 986214932 + ... + 986216960.

It is an arithmetic number, because the mean of its divisors is an integer number (64610247240).

Almost surely, 2^{2001032154434} is an apocalyptic number.

2001032154434 is a deficient number, since it is larger than the sum of its proper divisors (1100259713086).

2001032154434 is a wasteful number, since it uses less digits than its factorization.

2001032154434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775 (or 2492 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 2001032154434 its reverse (4344512301002), we get a palindrome (6345544455436).

The spelling of 2001032154434 in words is "two trillion, one billion, thirty-two million, one hundred fifty-four thousand, four hundred thirty-four".