1031006940 has 24 divisors (see below), whose sum is σ = 2886819600. Its totient is φ = 274935168.

The previous prime is 1031006929. The next prime is 1031006981. The reversal of 1031006940 is 496001301.

It is a self number, because there is not a number n which added to its sum of digits gives 1031006940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8591665 + ... + 8591784.

It is an arithmetic number, because the mean of its divisors is an integer number (120284150).

Almost surely, 2^1031006940 is an apocalyptic number.

1031006940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031006940 is an abundant number, since it is smaller than the sum of its proper divisors (1855812660).

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

1031006940 is a wasteful number, since it uses less digits than its factorization.

1031006940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17183461 (or 17183459 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1031006940 is about 32109.2967845763. The cubic root of 1031006940 is about 1010.2306240662.

The spelling of 1031006940 in words is "one billion, thirty-one million, six thousand, nine hundred forty".