1381703011 has 16 divisors (see below), whose sum is σ = 1512701344. Its totient is φ = 1254299904.

The previous prime is 1381703003. The next prime is 1381703021. The reversal of 1381703011 is 1103071831.

It is not a de Polignac number, because 1381703011 - 2³ = 1381703003 is a prime.

It is a super-2 number, since 2×1381703011² = 3818206421212932242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1381703021) 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, 815281 + ... + 816973.

It is an arithmetic number, because the mean of its divisors is an integer number (94543834).

Almost surely, 2^1381703011 is an apocalyptic number.

1381703011 is a deficient number, since it is larger than the sum of its proper divisors (130998333).

1381703011 is a wasteful number, since it uses less digits than its factorization.

1381703011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 1381703011 is about 37171.2659321686. The cubic root of 1381703011 is about 1113.7940700545.

Adding to 1381703011 its reverse (1103071831), we get a palindrome (2484774842).

The spelling of 1381703011 in words is "one billion, three hundred eighty-one million, seven hundred three thousand, eleven".