1406040031 has 16 divisors (see below), whose sum is σ = 1593424800. Its totient is φ = 1228953600.

The previous prime is 1406040017. The next prime is 1406040047. The reversal of 1406040031 is 1300406041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1406040031 - 2¹³ = 1406031839 is a prime.

It is a super-2 number, since 2×1406040031² = 3953897137548961922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1406039990 and 1406040008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406040001) 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, 67735 + ... + 86023.

It is an arithmetic number, because the mean of its divisors is an integer number (99589050).

Almost surely, 2^1406040031 is an apocalyptic number.

1406040031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1406040031 is a deficient number, since it is larger than the sum of its proper divisors (187384769).

1406040031 is a wasteful number, since it uses less digits than its factorization.

1406040031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18570.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1406040031 is about 37497.2003088231. The cubic root of 1406040031 is about 1120.2954235039.

Adding to 1406040031 its reverse (1300406041), we get a palindrome (2706446072).

The spelling of 1406040031 in words is "one billion, four hundred six million, forty thousand, thirty-one".