2031638801430 has 256 divisors, whose sum is σ = 6411186339840. Its totient is φ = 400698316800.

The previous prime is 2031638801417. The next prime is 2031638801453. The reversal of 2031638801430 is 341088361302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1619635 + ... + 2585825.

It is an arithmetic number, because the mean of its divisors is an integer number (25043696640).

Almost surely, 2^{2031638801430} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031638801430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3205593169920).

2031638801430 is an abundant number, since it is smaller than the sum of its proper divisors (4379547538410).

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

2031638801430 is a wasteful number, since it uses less digits than its factorization.

2031638801430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966275.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 2031638801430 in words is "two trillion, thirty-one billion, six hundred thirty-eight million, eight hundred one thousand, four hundred thirty".