201102031240 has 64 divisors (see below), whose sum is σ = 494759819520. Its totient is φ = 72958272000.

The previous prime is 201102031201. The next prime is 201102031241. The reversal of 201102031240 is 42130201102.

It is not an unprimeable number, because it can be changed into a prime (201102031241) 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, 340581 + ... + 719860.

It is an arithmetic number, because the mean of its divisors is an integer number (7730622180).

Almost surely, 2^201102031240 is an apocalyptic number.

201102031240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201102031240 is an abundant number, since it is smaller than the sum of its proper divisors (293657788280).

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

201102031240 is a wasteful number, since it uses less digits than its factorization.

201102031240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060894 (or 1060890 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 201102031240 its reverse (42130201102), we get a palindrome (243232232342).

The spelling of 201102031240 in words is "two hundred one billion, one hundred two million, thirty-one thousand, two hundred forty".