1071631330 has 32 divisors (see below), whose sum is σ = 2404909440. Its totient is φ = 334014720.

The previous prime is 1071631321. The next prime is 1071631339. The reversal of 1071631330 is 331361701.

It is an interprime number because it is at equal distance from previous prime (1071631321) and next prime (1071631339).

It is a super-2 number, since 2×1071631330² = 2296787414875137800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1071631295 and 1071631304.

It is not an unprimeable number, because it can be changed into a prime (1071631339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695095 + ... + 696634.

It is an arithmetic number, because the mean of its divisors is an integer number (75153420).

Almost surely, 2^1071631330 is an apocalyptic number.

1071631330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1071631330 is an abundant number, since it is smaller than the sum of its proper divisors (1333278110).

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

1071631330 is a wasteful number, since it uses less digits than its factorization.

1071631330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391754.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 1071631330 is about 32735.7805772216. The cubic root of 1071631330 is about 1023.3286519773.

The spelling of 1071631330 in words is "one billion, seventy-one million, six hundred thirty-one thousand, three hundred thirty".