31356132543604 has 12 divisors (see below), whose sum is σ = 59861707583328. Its totient is φ = 14252787519800.

The previous prime is 31356132543563. The next prime is 31356132543611. The reversal of 31356132543604 is 40634523165313.

It is a super-2 number, since 2×31356132543604² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 356319687952 + ... + 356319688039.

It is an arithmetic number, because the mean of its divisors is an integer number (4988475631944).

Almost surely, 2^{31356132543604} is an apocalyptic number.

It is an amenable number.

31356132543604 is a deficient number, since it is larger than the sum of its proper divisors (28505575039724).

31356132543604 is a wasteful number, since it uses less digits than its factorization.

31356132543604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712639376006 (or 712639376004 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 46.

The spelling of 31356132543604 in words is "thirty-one trillion, three hundred fifty-six billion, one hundred thirty-two million, five hundred forty-three thousand, six hundred four".