1202131113 has 32 divisors (see below), whose sum is σ = 1719843840. Its totient is φ = 745221120.

The previous prime is 1202131103. The next prime is 1202131127. The reversal of 1202131113 is 3111312021.

It is a happy number.

It is not a de Polignac number, because 1202131113 - 2⁴ = 1202131097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202131092 and 1202131101.

It is not an unprimeable number, because it can be changed into a prime (1202131103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 627445 + ... + 629357.

It is an arithmetic number, because the mean of its divisors is an integer number (53745120).

Almost surely, 2^1202131113 is an apocalyptic number.

It is an amenable number.

1202131113 is a deficient number, since it is larger than the sum of its proper divisors (517712727).

1202131113 is a wasteful number, since it uses less digits than its factorization.

1202131113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1202131113 is about 34671.7624732288. The cubic root of 1202131113 is about 1063.2872653485.

Adding to 1202131113 its reverse (3111312021), we get a palindrome (4313443134).

It can be divided in two parts, 12021 and 31113, that added together give a palindrome (43134).

The spelling of 1202131113 in words is "one billion, two hundred two million, one hundred thirty-one thousand, one hundred thirteen".