1013312061 has 6 divisors (see below), whose sum is σ = 1463672990. Its totient is φ = 675541368.

The previous prime is 1013311993. The next prime is 1013312129. The reversal of 1013312061 is 1602133101.

It is an interprime number because it is at equal distance from previous prime (1013311993) and next prime (1013312129).

It can be written as a sum of positive squares in only one way, i.e., 776736900 + 236575161 = 27870^2 + 15381^2 .

It is not a de Polignac number, because 1013312061 - 2⁹ = 1013311549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013312561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56295106 + ... + 56295123.

Almost surely, 2^1013312061 is an apocalyptic number.

It is an amenable number.

1013312061 is a deficient number, since it is larger than the sum of its proper divisors (450360929).

1013312061 is a wasteful number, since it uses less digits than its factorization.

1013312061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112590235 (or 112590232 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1013312061 is about 31832.5629034170. The cubic root of 1013312061 is about 1004.4178078992.

Adding to 1013312061 its reverse (1602133101), we get a palindrome (2615445162).

The spelling of 1013312061 in words is "one billion, thirteen million, three hundred twelve thousand, sixty-one".