31642214132 has 6 divisors (see below), whose sum is σ = 55373874738. Its totient is φ = 15821107064.

The previous prime is 31642214083. The next prime is 31642214159. The reversal of 31642214132 is 23141224613.

It can be written as a sum of positive squares in only one way, i.e., 28225344016 + 3416870116 = 168004^2 + 58454^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31642214095 and 31642214104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3955276763 + ... + 3955276770.

It is an arithmetic number, because the mean of its divisors is an integer number (9228979123).

Almost surely, 2^31642214132 is an apocalyptic number.

It is an amenable number.

31642214132 is a deficient number, since it is larger than the sum of its proper divisors (23731660606).

31642214132 is a wasteful number, since it uses less digits than its factorization.

31642214132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7910553537 (or 7910553535 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

Adding to 31642214132 its reverse (23141224613), we get a palindrome (54783438745).

The spelling of 31642214132 in words is "thirty-one billion, six hundred forty-two million, two hundred fourteen thousand, one hundred thirty-two".