1400001031 has 8 divisors (see below), whose sum is σ = 1644756624. Its totient is φ = 1174825920.

The previous prime is 1400000999. The next prime is 1400001037. The reversal of 1400001031 is 1301000041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1400001031 - 2⁵ = 1400000999 is a prime.

It is a super-2 number, since 2×1400001031² = 3920005773602125922, 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 = 1400000999 and 1400001017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400001037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4894966 + ... + 4895251.

It is an arithmetic number, because the mean of its divisors is an integer number (205594578).

Almost surely, 2^1400001031 is an apocalyptic number.

1400001031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1400001031 is a deficient number, since it is larger than the sum of its proper divisors (244755593).

1400001031 is a wasteful number, since it uses less digits than its factorization.

1400001031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9790241.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1400001031 is about 37416.5876450539. The cubic root of 1400001031 is about 1118.6892166928.

Adding to 1400001031 its reverse (1301000041), we get a palindrome (2701001072).

It can be divided in two parts, 14000010 and 31, that added together give a palindrome (14000041).

The spelling of 1400001031 in words is "one billion, four hundred million, one thousand, thirty-one".