2402143031 has 4 divisors (see below), whose sum is σ = 2425464912. Its totient is φ = 2378821152.

The previous prime is 2402143021. The next prime is 2402143033. The reversal of 2402143031 is 1303412042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1303412042 = 2 ⋅651706021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2402143031 is a prime.

It is a super-2 number, since 2×2402143031² = 11540582282763733922, 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 = 2402142994 and 2402143012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402143033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11660786 + ... + 11660991.

It is an arithmetic number, because the mean of its divisors is an integer number (606366228).

Almost surely, 2^2402143031 is an apocalyptic number.

2402143031 is a deficient number, since it is larger than the sum of its proper divisors (23321881).

2402143031 is a wasteful number, since it uses less digits than its factorization.

2402143031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23321880.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2402143031 is about 49011.6621938085. The cubic root of 2402143031 is about 1339.2642859345.

Adding to 2402143031 its reverse (1303412042), we get a palindrome (3705555073).

The spelling of 2402143031 in words is "two billion, four hundred two million, one hundred forty-three thousand, thirty-one".