1400214031 has 4 divisors (see below), whose sum is σ = 1432777192. Its totient is φ = 1367650872.

The previous prime is 1400214017. The next prime is 1400214037. The reversal of 1400214031 is 1304120041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1304120041 = 7 ⋅186302863.

It is a cyclic number.

It is not a de Polignac number, because 1400214031 - 2²¹ = 1398116879 is a prime.

It is a super-2 number, since 2×1400214031² = 3921198665218537922, 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 = 1400213996 and 1400214014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400214037) 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, 16281516 + ... + 16281601.

It is an arithmetic number, because the mean of its divisors is an integer number (358194298).

Almost surely, 2^1400214031 is an apocalyptic number.

1400214031 is a deficient number, since it is larger than the sum of its proper divisors (32563161).

1400214031 is an equidigital number, since it uses as much as digits as its factorization.

1400214031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32563160.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1400214031 is about 37419.4338679783. The cubic root of 1400214031 is about 1118.7459472987.

Adding to 1400214031 its reverse (1304120041), we get a palindrome (2704334072).

The spelling of 1400214031 in words is "one billion, four hundred million, two hundred fourteen thousand, thirty-one".