1031450656 has 48 divisors (see below), whose sum is σ = 2224295640. Its totient is φ = 468643840.

The previous prime is 1031450621. The next prime is 1031450657. The reversal of 1031450656 is 6560541301.

It can be written as a sum of positive squares in 4 ways, for example, as 733543056 + 297907600 = 27084^2 + 17260^2 .

It is not an unprimeable number, because it can be changed into a prime (1031450657) 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, 16915 + ... + 48466.

Almost surely, 2^1031450656 is an apocalyptic number.

1031450656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1031450656 is an abundant number, since it is smaller than the sum of its proper divisors (1192844984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031450656 is a wasteful number, since it uses less digits than its factorization.

1031450656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65437 (or 65429 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1031450656 is about 32116.2055043867. The cubic root of 1031450656 is about 1010.3755281026.

Adding to 1031450656 its reverse (6560541301), we get a palindrome (7591991957).

The spelling of 1031450656 in words is "one billion, thirty-one million, four hundred fifty thousand, six hundred fifty-six".