31757124539716 has 9 divisors (see below), whose sum is σ = 55574987668221. Its totient is φ = 15878556634512.

The previous prime is 31757124539641. The next prime is 31757124539717. The reversal of 31757124539716 is 61793542175713.

The square root of 31757124539716 is 5635346.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 28029506604100 + 3727617935616 = 5294290^2 + 1930704^2 .

It is a super-2 number, since 2×31757124539716² (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 (31757124539717) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9861856 + ... + 12679528.

Almost surely, 2^{31757124539716} is an apocalyptic number.

31757124539716 is the 5635346-th square number.

It is an amenable number.

31757124539716 is a deficient number, since it is larger than the sum of its proper divisors (23817863128505).

31757124539716 is an frugal number, since it uses more digits than its factorization.

31757124539716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5635350 (or 2817675 counting only the distinct ones).

The product of its digits is 33339600, while the sum is 61.

The spelling of 31757124539716 in words is "thirty-one trillion, seven hundred fifty-seven billion, one hundred twenty-four million, five hundred thirty-nine thousand, seven hundred sixteen".