1402012031 has 4 divisors (see below), whose sum is σ = 1602299472. Its totient is φ = 1201724592.

The previous prime is 1402012019. The next prime is 1402012039. The reversal of 1402012031 is 1302102041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1402012031 is a prime.

It is a super-2 number, since 2×1402012031² = 3931275470137489922, 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 = 1402011997 and 1402012015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402012039) 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, 100143710 + ... + 100143723.

It is an arithmetic number, because the mean of its divisors is an integer number (400574868).

Almost surely, 2^1402012031 is an apocalyptic number.

1402012031 is a deficient number, since it is larger than the sum of its proper divisors (200287441).

1402012031 is an equidigital number, since it uses as much as digits as its factorization.

1402012031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200287440.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1402012031 is about 37443.4511096400. The cubic root of 1402012031 is about 1119.2245990853.

Adding to 1402012031 its reverse (1302102041), we get a palindrome (2704114072).

The spelling of 1402012031 in words is "one billion, four hundred two million, twelve thousand, thirty-one".