1400013031 has 4 divisors (see below), whose sum is σ = 1408602232. Its totient is φ = 1391423832.

The previous prime is 1400013029. The next prime is 1400013037. The reversal of 1400013031 is 1303100041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1303100041 = 1061 ⋅1228181.

It is a cyclic number.

It is not a de Polignac number, because 1400013031 - 2¹ = 1400013029 is a prime.

It is a super-2 number, since 2×1400013031² = 3920072973939613922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400013037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4294356 + ... + 4294681.

It is an arithmetic number, because the mean of its divisors is an integer number (352150558).

Almost surely, 2^1400013031 is an apocalyptic number.

1400013031 is a deficient number, since it is larger than the sum of its proper divisors (8589201).

1400013031 is an equidigital number, since it uses as much as digits as its factorization.

1400013031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8589200.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1400013031 is about 37416.7480013964. The cubic root of 1400013031 is about 1118.6924129362.

Adding to 1400013031 its reverse (1303100041), we get a palindrome (2703113072).

The spelling of 1400013031 in words is "one billion, four hundred million, thirteen thousand, thirty-one".