2011431153630 has 32 divisors (see below), whose sum is σ = 4945177083168. Its totient is φ = 523299161600.

The previous prime is 2011431153623. The next prime is 2011431153647. The reversal of 2011431153630 is 363511341102.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 817653711 + ... + 817656170.

It is an arithmetic number, because the mean of its divisors is an integer number (154536783849).

Almost surely, 2^{2011431153630} is an apocalyptic number.

2011431153630 is an abundant number, since it is smaller than the sum of its proper divisors (2933745929538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011431153630 is a wasteful number, since it uses less digits than its factorization.

2011431153630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635309932.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 2011431153630 its reverse (363511341102), we get a palindrome (2374942494732).

The spelling of 2011431153630 in words is "two trillion, eleven billion, four hundred thirty-one million, one hundred fifty-three thousand, six hundred thirty".