2031349040 has 160 divisors (see below), whose sum is σ = 5740346880. Its totient is φ = 652603392.

The previous prime is 2031349031. The next prime is 2031349049. The reversal of 2031349040 is 409431302.

It is an interprime number because it is at equal distance from previous prime (2031349031) and next prime (2031349049).

It is not an unprimeable number, because it can be changed into a prime (2031349049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3607799 + ... + 3608361.

It is an arithmetic number, because the mean of its divisors is an integer number (35877168).

Almost surely, 2^2031349040 is an apocalyptic number.

2031349040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031349040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2870173440).

2031349040 is an abundant number, since it is smaller than the sum of its proper divisors (3708997840).

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

2031349040 is a wasteful number, since it uses less digits than its factorization.

2031349040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2031349040 is about 45070.4896800556. The cubic root of 2031349040 is about 1266.4698376832.

The spelling of 2031349040 in words is "two billion, thirty-one million, three hundred forty-nine thousand, forty".