31743462046 has 4 divisors (see below), whose sum is σ = 47615193072. Its totient is φ = 15871731022.

The previous prime is 31743462043. The next prime is 31743462061. The reversal of 31743462046 is 64026434713.

It is a happy number.

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

It is a super-2 number, since 2×31743462046² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31743462043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7935865510 + ... + 7935865513.

It is an arithmetic number, because the mean of its divisors is an integer number (11903798268).

Almost surely, 2^31743462046 is an apocalyptic number.

31743462046 is a deficient number, since it is larger than the sum of its proper divisors (15871731026).

31743462046 is a wasteful number, since it uses less digits than its factorization.

31743462046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15871731025.

The product of its (nonzero) digits is 290304, while the sum is 40.

Adding to 31743462046 its reverse (64026434713), we get a palindrome (95769896759).

The spelling of 31743462046 in words is "thirty-one billion, seven hundred forty-three million, four hundred sixty-two thousand, forty-six".