2031101540 has 48 divisors (see below), whose sum is σ = 4599383040. Its totient is φ = 748970880.

The previous prime is 2031101509. The next prime is 2031101543. The reversal of 2031101540 is 451011302.

It is not an unprimeable number, because it can be changed into a prime (2031101543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213485 + ... + 222795.

It is an arithmetic number, because the mean of its divisors is an integer number (95820480).

Almost surely, 2^2031101540 is an apocalyptic number.

2031101540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031101540 is an abundant number, since it is smaller than the sum of its proper divisors (2568281500).

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

2031101540 is a wasteful number, since it uses less digits than its factorization.

2031101540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10172 (or 10170 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2031101540 is about 45067.7438973819. The cubic root of 2031101540 is about 1266.4183999425.

Adding to 2031101540 its reverse (451011302), we get a palindrome (2482112842).

The spelling of 2031101540 in words is "two billion, thirty-one million, one hundred one thousand, five hundred forty".