317277661450 has 48 divisors (see below), whose sum is σ = 626847211800. Its totient is φ = 119063992320.

The previous prime is 317277661409. The next prime is 317277661471. The reversal of 317277661450 is 54166772713.

It can be written as a sum of positive squares in 12 ways, for example, as 9870621201 + 307407040249 = 99351^2 + 554443^2 .

It is a super-2 number, since 2×317277661450² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 317277661394 and 317277661403.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330225 + ... + 862324.

Almost surely, 2^317277661450 is an apocalyptic number.

317277661450 is a deficient number, since it is larger than the sum of its proper divisors (309569550350).

317277661450 is a wasteful number, since it uses less digits than its factorization.

317277661450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192891 (or 1192886 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 317277661450 in words is "three hundred seventeen billion, two hundred seventy-seven million, six hundred sixty-one thousand, four hundred fifty".