2031821376 has 56 divisors (see below), whose sum is σ = 5789395584. Its totient is φ = 625175040.

The previous prime is 2031821333. The next prime is 2031821383. The reversal of 2031821376 is 6731281302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404520 + ... + 409511.

It is an arithmetic number, because the mean of its divisors is an integer number (103382064).

Almost surely, 2^2031821376 is an apocalyptic number.

2031821376 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2031821376 is an abundant number, since it is smaller than the sum of its proper divisors (3757574208).

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

2031821376 is a wasteful number, since it uses less digits than its factorization.

2031821376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814059 (or 814049 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2031821376 is about 45075.7293451809. The cubic root of 2031821376 is about 1266.5679913283.

The spelling of 2031821376 in words is "two billion, thirty-one million, eight hundred twenty-one thousand, three hundred seventy-six".