31473315857603 has 8 divisors (see below), whose sum is σ = 31498262228928. Its totient is φ = 31448373462144.

The previous prime is 31473315857593. The next prime is 31473315857611. The reversal of 31473315857603 is 30675851337413.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31473315857603 is a prime.

It is a super-2 number, since 2×31473315857603² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31473335857603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14945675 + ... + 16920987.

It is an arithmetic number, because the mean of its divisors is an integer number (3937282778616).

Almost surely, 2^{31473315857603} is an apocalyptic number.

31473315857603 is a deficient number, since it is larger than the sum of its proper divisors (24946371325).

31473315857603 is a wasteful number, since it uses less digits than its factorization.

31473315857603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987933.

The product of its (nonzero) digits is 19051200, while the sum is 56.

The spelling of 31473315857603 in words is "thirty-one trillion, four hundred seventy-three billion, three hundred fifteen million, eight hundred fifty-seven thousand, six hundred three".