3131042343 has 96 divisors (see below), whose sum is σ = 5125713600. Its totient is φ = 1687910400.

The previous prime is 3131042329. The next prime is 3131042347. The reversal of 3131042343 is 3432401313.

It is not a de Polignac number, because 3131042343 - 2¹² = 3131038247 is a prime.

It is a super-3 number, since 3×3131042343³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131042347) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21013633 + ... + 21013781.

It is an arithmetic number, because the mean of its divisors is an integer number (53392850).

Almost surely, 2^3131042343 is an apocalyptic number.

3131042343 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3131042343 is a deficient number, since it is larger than the sum of its proper divisors (1994671257).

3131042343 is a wasteful number, since it uses less digits than its factorization.

3131042343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 3131042343 is about 55955.7176971219. The cubic root of 3131042343 is about 1462.9505514031.

Adding to 3131042343 its reverse (3432401313), we get a palindrome (6563443656).

The spelling of 3131042343 in words is "three billion, one hundred thirty-one million, forty-two thousand, three hundred forty-three".