1040200031 has 16 divisors (see below), whose sum is σ = 1153689600. Its totient is φ = 931907808.

The previous prime is 1040200027. The next prime is 1040200061. The reversal of 1040200031 is 1300020401.

It is a happy number.

It is not a de Polignac number, because 1040200031 - 2² = 1040200027 is a prime.

It is a super-2 number, since 2×1040200031² = 2164032208984801922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1040199985 and 1040200021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040200061) 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, 52010 + ... + 69176.

It is an arithmetic number, because the mean of its divisors is an integer number (72105600).

Almost surely, 2^1040200031 is an apocalyptic number.

1040200031 is a deficient number, since it is larger than the sum of its proper divisors (113489569).

1040200031 is a wasteful number, since it uses less digits than its factorization.

1040200031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17318.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1040200031 is about 32252.1321930814. The cubic root of 1040200031 is about 1013.2243558384.

Adding to 1040200031 its reverse (1300020401), we get a palindrome (2340220432).

The spelling of 1040200031 in words is "one billion, forty million, two hundred thousand, thirty-one".