131030221070 has 16 divisors (see below), whose sum is σ = 269547883488. Its totient is φ = 44924647200.

The previous prime is 131030221061. The next prime is 131030221073. The reversal of 131030221070 is 70122030131.

131030221070 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131030221073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 935930081 + ... + 935930220.

It is an arithmetic number, because the mean of its divisors is an integer number (16846742718).

Almost surely, 2^131030221070 is an apocalyptic number.

131030221070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131030221070 is an abundant number, since it is smaller than the sum of its proper divisors (138517662418).

131030221070 is a wasteful number, since it uses less digits than its factorization.

131030221070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871860315.

The product of its (nonzero) digits is 252, while the sum is 20.

The spelling of 131030221070 in words is "one hundred thirty-one billion, thirty million, two hundred twenty-one thousand, seventy".