2102401431 has 24 divisors (see below), whose sum is σ = 3375904896. Its totient is φ = 1252048320.

The previous prime is 2102401423. The next prime is 2102401439. The reversal of 2102401431 is 1341042012.

2102401431 is a `hidden beast` number, since 210 + 24 + 0 + 1 + 431 = 666.

It is an interprime number because it is at equal distance from previous prime (2102401423) and next prime (2102401439).

It is not a de Polignac number, because 2102401431 - 2³ = 2102401423 is a prime.

It is a super-2 number, since 2×2102401431² = 8840183554141695522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102401439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286200 + ... + 293453.

It is an arithmetic number, because the mean of its divisors is an integer number (140662704).

Almost surely, 2^2102401431 is an apocalyptic number.

2102401431 is a deficient number, since it is larger than the sum of its proper divisors (1273503465).

2102401431 is a wasteful number, since it uses less digits than its factorization.

2102401431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579703 (or 579700 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2102401431 is about 45851.9512234758. The cubic root of 2102401431 is about 1281.0671095965.

Adding to 2102401431 its reverse (1341042012), we get a palindrome (3443443443).

The spelling of 2102401431 in words is "two billion, one hundred two million, four hundred one thousand, four hundred thirty-one".