1013331465 has 40 divisors (see below), whose sum is σ = 1912109760. Its totient is φ = 511995168.

The previous prime is 1013331463. The next prime is 1013331481. The reversal of 1013331465 is 5641333101.

It is not a de Polignac number, because 1013331465 - 2¹ = 1013331463 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1013331463) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 58149 + ... + 73538.

It is an arithmetic number, because the mean of its divisors is an integer number (47802744).

Almost surely, 2^1013331465 is an apocalyptic number.

1013331465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1013331465 is a deficient number, since it is larger than the sum of its proper divisors (898778295).

1013331465 is a wasteful number, since it uses less digits than its factorization.

1013331465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131723 (or 131714 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 1013331465 is about 31832.8676842034. The cubic root of 1013331465 is about 1004.4242190860.

Adding to 1013331465 its reverse (5641333101), we get a palindrome (6654664566).

The spelling of 1013331465 in words is "one billion, thirteen million, three hundred thirty-one thousand, four hundred sixty-five".