2201540031 has 12 divisors (see below), whose sum is σ = 3180417240. Its totient is φ = 1467501840.

The previous prime is 2201540027. The next prime is 2201540053. The reversal of 2201540031 is 1300451022.

2201540031 is a `hidden beast` number, since 220 + 15 + 400 + 31 = 666.

It is not a de Polignac number, because 2201540031 - 2² = 2201540027 is a prime.

It is a super-2 number, since 2×2201540031² = 9693557016190961922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2201539986 and 2201540013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201541031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105460 + ... + 124598.

It is an arithmetic number, because the mean of its divisors is an integer number (265034770).

Almost surely, 2^2201540031 is an apocalyptic number.

2201540031 is a deficient number, since it is larger than the sum of its proper divisors (978877209).

2201540031 is a wasteful number, since it uses less digits than its factorization.

2201540031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31926 (or 31923 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2201540031 is about 46920.5715118646. The cubic root of 2201540031 is about 1300.8948535125.

Adding to 2201540031 its reverse (1300451022), we get a palindrome (3501991053).

The spelling of 2201540031 in words is "two billion, two hundred one million, five hundred forty thousand, thirty-one".